140087044431 has 24 divisors (see below), whose sum is σ = 214939596560. Its totient is φ = 90170956512.

The previous prime is 140087044423. The next prime is 140087044439. The reversal of 140087044431 is 134440780041.

It is a happy number.

140087044431 is a `hidden beast` number, since 140 + 0 + 8 + 70 + 4 + 443 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (140087044423) and next prime (140087044439).

It is not a de Polignac number, because 140087044431 - 2³ = 140087044423 is a prime.

It is a super-2 number, since 2×140087044431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140087044439) 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, 3061960 + ... + 3107373.

Almost surely, 2^140087044431 is an apocalyptic number.

140087044431 is a deficient number, since it is larger than the sum of its proper divisors (74852552129).

140087044431 is an equidigital number, since it uses as much as digits as its factorization.

140087044431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169400 (or 6169365 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 140087044431 in words is "one hundred forty billion, eighty-seven million, forty-four thousand, four hundred thirty-one".