140424751 has 2 divisors, whose sum is σ = 140424752. Its totient is φ = 140424750.

The previous prime is 140424737. The next prime is 140424769. The reversal of 140424751 is 157424041.

It is a weak prime.

It is an emirp because it is prime and its reverse (157424041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140424751 - 2¹³ = 140416559 is a prime.

It is a super-2 number, since 2×140424751² = 39438221386824002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140424551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70212375 + 70212376.

It is an arithmetic number, because the mean of its divisors is an integer number (70212376).

Almost surely, 2^140424751 is an apocalyptic number.

140424751 is a deficient number, since it is larger than the sum of its proper divisors (1).

140424751 is an equidigital number, since it uses as much as digits as its factorization.

140424751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 140424751 is about 11850.0949785223. The cubic root of 140424751 is about 519.7740031252.

Adding to 140424751 its reverse (157424041), we get a palindrome (297848792).

The spelling of 140424751 in words is "one hundred forty million, four hundred twenty-four thousand, seven hundred fifty-one".