139125858613 has 24 divisors (see below), whose sum is σ = 167102141184. Its totient is φ = 115375478400.

The previous prime is 139125858601. The next prime is 139125858631. The reversal of 139125858613 is 316858521931.

It is a happy number.

It is not a de Polignac number, because 139125858613 - 2²⁵ = 139092304181 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 (139125858643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8037498 + ... + 8054788.

It is an arithmetic number, because the mean of its divisors is an integer number (6962589216).

Almost surely, 2^139125858613 is an apocalyptic number.

It is an amenable number.

139125858613 is a deficient number, since it is larger than the sum of its proper divisors (27976282571).

139125858613 is a wasteful number, since it uses less digits than its factorization.

139125858613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22633 (or 22626 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 52.

The spelling of 139125858613 in words is "one hundred thirty-nine billion, one hundred twenty-five million, eight hundred fifty-eight thousand, six hundred thirteen".