138352112620 has 24 divisors (see below), whose sum is σ = 295302380688. Its totient is φ = 54433617600.

The previous prime is 138352112593. The next prime is 138352112623. The reversal of 138352112620 is 26211253831.

It is not an unprimeable number, because it can be changed into a prime (138352112623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56700466 + ... + 56702905.

It is an arithmetic number, because the mean of its divisors is an integer number (12304265862).

Almost surely, 2^138352112620 is an apocalyptic number.

138352112620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138352112620 is an abundant number, since it is smaller than the sum of its proper divisors (156950268068).

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

138352112620 is a wasteful number, since it uses less digits than its factorization.

138352112620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113403441 (or 113403439 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 138352112620 in words is "one hundred thirty-eight billion, three hundred fifty-two million, one hundred twelve thousand, six hundred twenty".