931927729139 has 24 divisors (see below), whose sum is σ = 1028518987776. Its totient is φ = 843761674800.

The previous prime is 931927729129. The next prime is 931927729217.

931927729139 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 931927729139 - 2⁴ = 931927729123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (931927729129) 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, 154213052 + ... + 154219094.

It is an arithmetic number, because the mean of its divisors is an integer number (42854957824).

Almost surely, 2^931927729139 is an apocalyptic number.

931927729139 is a deficient number, since it is larger than the sum of its proper divisors (96591258637).

931927729139 is a wasteful number, since it uses less digits than its factorization.

931927729139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11039 (or 11028 counting only the distinct ones).

The product of its digits is 11573604, while the sum is 62.

The spelling of 931927729139 in words is "nine hundred thirty-one billion, nine hundred twenty-seven million, seven hundred twenty-nine thousand, one hundred thirty-nine".