139412525838656 has 84 divisors (see below), whose sum is σ = 322261134292800. Its totient is φ = 59665125332736.

The previous prime is 139412525838601. The next prime is 139412525838661. The reversal of 139412525838656 is 656838525214931.

139412525838656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×139412525838656² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28660046 + ... + 33169613.

Almost surely, 2^{139412525838656} is an apocalyptic number.

139412525838656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139412525838656 is an abundant number, since it is smaller than the sum of its proper divisors (182848608454144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139412525838656 is an equidigital number, since it uses as much as digits as its factorization.

139412525838656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61830404 (or 61830387 counting only the distinct ones).

The product of its digits is 373248000, while the sum is 68.

The spelling of 139412525838656 in words is "one hundred thirty-nine trillion, four hundred twelve billion, five hundred twenty-five million, eight hundred thirty-eight thousand, six hundred fifty-six".