140056432631 has 4 divisors (see below), whose sum is σ = 140760234000. Its totient is φ = 139352631264.

The previous prime is 140056432613. The next prime is 140056432643. The reversal of 140056432631 is 136234650041.

140056432631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140056432631 - 2⁶ = 140056432567 is a prime.

It is a super-2 number, since 2×140056432631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140056432591 and 140056432600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140056432601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351900386 + ... + 351900783.

It is an arithmetic number, because the mean of its divisors is an integer number (35190058500).

Almost surely, 2^140056432631 is an apocalyptic number.

140056432631 is a deficient number, since it is larger than the sum of its proper divisors (703801369).

140056432631 is an equidigital number, since it uses as much as digits as its factorization.

140056432631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703801368.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 140056432631 in words is "one hundred forty billion, fifty-six million, four hundred thirty-two thousand, six hundred thirty-one".