140979537931 has 8 divisors (see below), whose sum is σ = 142917675264. Its totient is φ = 139041587520.

The previous prime is 140979537917. The next prime is 140979537953. The reversal of 140979537931 is 139735979041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140979537931 - 2¹¹ = 140979535883 is a prime.

It is a super-2 number, since 2×140979537931² (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 (140979537131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2225265 + ... + 2287741.

It is an arithmetic number, because the mean of its divisors is an integer number (17864709408).

Almost surely, 2^140979537931 is an apocalyptic number.

140979537931 is a deficient number, since it is larger than the sum of its proper divisors (1938137333).

140979537931 is an equidigital number, since it uses as much as digits as its factorization.

140979537931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93461.

The product of its (nonzero) digits is 6429780, while the sum is 58.

The spelling of 140979537931 in words is "one hundred forty billion, nine hundred seventy-nine million, five hundred thirty-seven thousand, nine hundred thirty-one".