138386677580 has 24 divisors (see below), whose sum is σ = 292352221728. Its totient is φ = 55023204608.

The previous prime is 138386677577. The next prime is 138386677591. The reversal of 138386677580 is 85776683831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20713229 + ... + 20719908.

It is an arithmetic number, because the mean of its divisors is an integer number (12181342572).

Almost surely, 2^138386677580 is an apocalyptic number.

138386677580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138386677580 is an abundant number, since it is smaller than the sum of its proper divisors (153965544148).

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

138386677580 is a wasteful number, since it uses less digits than its factorization.

138386677580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41433313 (or 41433311 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 138386677580 in words is "one hundred thirty-eight billion, three hundred eighty-six million, six hundred seventy-seven thousand, five hundred eighty".