Alright, let's work through 4139 times 5874 step by step
4139 × 5874 = 5874 × (4139)
+ 5874 × 9 that equals 52866
+ 5874 × 30 yielding 176220
+ 5874 × 100 which equals 587400
+ 5874 × 4000 producing 23496000

= 24312486
