138178674924 has 24 divisors (see below), whose sum is σ = 322436038848. Its totient is φ = 46056825360.

The previous prime is 138178674913. The next prime is 138178674937. The reversal of 138178674924 is 429476871831.

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, 125482 + ... + 540465.

It is an arithmetic number, because the mean of its divisors is an integer number (13434834952).

Almost surely, 2^138178674924 is an apocalyptic number.

It is an amenable number.

138178674924 is an abundant number, since it is smaller than the sum of its proper divisors (184257363924).

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

138178674924 is a wasteful number, since it uses less digits than its factorization.

138178674924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683245 (or 683243 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 60.

The spelling of 138178674924 in words is "one hundred thirty-eight billion, one hundred seventy-eight million, six hundred seventy-four thousand, nine hundred twenty-four".