138795844024 has 32 divisors (see below), whose sum is σ = 261806912640. Its totient is φ = 68981616000.

The previous prime is 138795844009. The next prime is 138795844063. The reversal of 138795844024 is 420448597831.

It is a congruent number.

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, 1120374 + ... + 1238074.

It is an arithmetic number, because the mean of its divisors is an integer number (8181466020).

Almost surely, 2^138795844024 is an apocalyptic number.

It is an amenable number.

138795844024 is a deficient number, since it is larger than the sum of its proper divisors (123011068616).

138795844024 is a wasteful number, since it uses less digits than its factorization.

138795844024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118591 (or 118587 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 138795844024 in words is "one hundred thirty-eight billion, seven hundred ninety-five million, eight hundred forty-four thousand, twenty-four".