139102431597 has 8 divisors (see below), whose sum is σ = 206077676480. Its totient is φ = 92734954380.

The previous prime is 139102431563. The next prime is 139102431619. The reversal of 139102431597 is 795134201931.

139102431597 is a `hidden beast` number, since 1 + 3 + 9 + 1 + 0 + 24 + 31 + 597 = 666.

It is not a de Polignac number, because 139102431597 - 2¹⁴ = 139102415213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139102431547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2575970929 + ... + 2575970982.

It is an arithmetic number, because the mean of its divisors is an integer number (25759709560).

Almost surely, 2^139102431597 is an apocalyptic number.

It is an amenable number.

139102431597 is a deficient number, since it is larger than the sum of its proper divisors (66975244883).

139102431597 is an equidigital number, since it uses as much as digits as its factorization.

139102431597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151941920 (or 5151941914 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 139102431597 in words is "one hundred thirty-nine billion, one hundred two million, four hundred thirty-one thousand, five hundred ninety-seven".