139559934925 has 6 divisors (see below), whose sum is σ = 173054319338. Its totient is φ = 111647947920.

The previous prime is 139559934919. The next prime is 139559934937. The reversal of 139559934925 is 529439955931.

It can be written as a sum of positive squares in 3 ways, for example, as 23260520196 + 116299414729 = 152514^2 + 341027^2 .

It is not a de Polignac number, because 139559934925 - 2⁵ = 139559934893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2791198674 + ... + 2791198723.

Almost surely, 2^139559934925 is an apocalyptic number.

It is an amenable number.

139559934925 is a deficient number, since it is larger than the sum of its proper divisors (33494384413).

139559934925 is an equidigital number, since it uses as much as digits as its factorization.

139559934925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5582397407 (or 5582397402 counting only the distinct ones).

The product of its digits is 59049000, while the sum is 64.

The spelling of 139559934925 in words is "one hundred thirty-nine billion, five hundred fifty-nine million, nine hundred thirty-four thousand, nine hundred twenty-five".