diff --git a/CHANGELOG.md b/CHANGELOG.md
index 27d72197..eb9b3810 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org).
 - Fix RATE, PRICE, XIRR, and XNPV Functions [#1456](https://github.com/PHPOffice/PhpSpreadsheet/pull/1456)
 - Save Excel 2010+ functions properly in XLSX [#1461](https://github.com/PHPOffice/PhpSpreadsheet/pull/1461)
 - Several improvements in HTML writer [#1464](https://github.com/PHPOffice/PhpSpreadsheet/pull/1464)
+- Fix Crash while trying setting a cell the value "123456\n" [#1476](https://github.com/PHPOffice/PhpSpreadsheet/pull/1481)
 
 ### Changed
 
diff --git a/src/PhpSpreadsheet/Cell/DefaultValueBinder.php b/src/PhpSpreadsheet/Cell/DefaultValueBinder.php
index 3a676c4f..693446e6 100644
--- a/src/PhpSpreadsheet/Cell/DefaultValueBinder.php
+++ b/src/PhpSpreadsheet/Cell/DefaultValueBinder.php
@@ -65,6 +65,8 @@ class DefaultValueBinder implements IValueBinder
                 return DataType::TYPE_STRING;
             } elseif ((strpos($pValue, '.') === false) && ($pValue > PHP_INT_MAX)) {
                 return DataType::TYPE_STRING;
+            } elseif (!is_numeric($pValue)) {
+                return DataType::TYPE_STRING;
             }
 
             return DataType::TYPE_NUMERIC;
diff --git a/tests/PhpSpreadsheetTests/Cell/DefaultValueBinderTest.php b/tests/PhpSpreadsheetTests/Cell/DefaultValueBinderTest.php
index 90dabce3..e13cd942 100644
--- a/tests/PhpSpreadsheetTests/Cell/DefaultValueBinderTest.php
+++ b/tests/PhpSpreadsheetTests/Cell/DefaultValueBinderTest.php
@@ -57,6 +57,7 @@ class DefaultValueBinderTest extends TestCase
             ['#REF!'],
             [new DateTime()],
             [new DateTimeImmutable()],
+            ['123456\n'],
         ];
     }
 
diff --git a/tests/data/Cell/DefaultValueBinder.php b/tests/data/Cell/DefaultValueBinder.php
index 53ba6281..1f0c40e0 100644
--- a/tests/data/Cell/DefaultValueBinder.php
+++ b/tests/data/Cell/DefaultValueBinder.php
@@ -73,4 +73,8 @@ return [
         'e',
         '#DIV/0!',
     ],
+    [
+        's',
+        '123456\n',
+    ],
 ];