140696057531 has 24 divisors (see below), whose sum is σ = 147341900928. Its totient is φ = 134209152000.

The previous prime is 140696057507. The next prime is 140696057549. The reversal of 140696057531 is 135750696041.

It is not a de Polignac number, because 140696057531 - 2²² = 140691863227 is a prime.

It is a super-2 number, since 2×140696057531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140696057501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103376291 + ... + 103377651.

It is an arithmetic number, because the mean of its divisors is an integer number (6139245872).

Almost surely, 2^140696057531 is an apocalyptic number.

140696057531 is a deficient number, since it is larger than the sum of its proper divisors (6645843397).

140696057531 is an equidigital number, since it uses as much as digits as its factorization.

140696057531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991 (or 1902 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 140696057531 in words is "one hundred forty billion, six hundred ninety-six million, fifty-seven thousand, five hundred thirty-one".