138160478938 has 16 divisors (see below), whose sum is σ = 210377232000. Its totient is φ = 68039011872.

The previous prime is 138160478927. The next prime is 138160478959. The reversal of 138160478938 is 839874061831.

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, 1004368 + ... + 1133611.

It is an arithmetic number, because the mean of its divisors is an integer number (13148577000).

Almost surely, 2^138160478938 is an apocalyptic number.

138160478938 is a deficient number, since it is larger than the sum of its proper divisors (72216753062).

138160478938 is a wasteful number, since it uses less digits than its factorization.

138160478938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138469.

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 138160478938 in words is "one hundred thirty-eight billion, one hundred sixty million, four hundred seventy-eight thousand, nine hundred thirty-eight".