138588374164 has 96 divisors (see below), whose sum is σ = 264308728320. Its totient is φ = 63373980672.

The previous prime is 138588374153. The next prime is 138588374191. The reversal of 138588374164 is 461473885831.

It is a junction number, because it is equal to n+sod(n) for n = 138588374099 and 138588374108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84659154 + ... + 84660790.

It is an arithmetic number, because the mean of its divisors is an integer number (2753215920).

Almost surely, 2^138588374164 is an apocalyptic number.

It is an amenable number.

138588374164 is a deficient number, since it is larger than the sum of its proper divisors (125720354156).

138588374164 is a wasteful number, since it uses less digits than its factorization.

138588374164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017 (or 2015 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 58.

The spelling of 138588374164 in words is "one hundred thirty-eight billion, five hundred eighty-eight million, three hundred seventy-four thousand, one hundred sixty-four".