138516854112 has 192 divisors, whose sum is σ = 497240271360. Its totient is φ = 36531896832.

The previous prime is 138516854089. The next prime is 138516854129. The reversal of 138516854112 is 211458615831.

138516854112 is a `hidden beast` number, since 1 + 3 + 8 + 516 + 85 + 41 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 802258 + ... + 959505.

It is an arithmetic number, because the mean of its divisors is an integer number (2589793080).

Almost surely, 2^138516854112 is an apocalyptic number.

138516854112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

138516854112 is an abundant number, since it is smaller than the sum of its proper divisors (358723417248).

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

138516854112 is a wasteful number, since it uses less digits than its factorization.

138516854112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761802 (or 1761788 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The spelling of 138516854112 in words is "one hundred thirty-eight billion, five hundred sixteen million, eight hundred fifty-four thousand, one hundred twelve".