138750638814 has 12 divisors (see below), whose sum is σ = 300626384136. Its totient is φ = 46250212932.

The previous prime is 138750638791. The next prime is 138750638821. The reversal of 138750638814 is 418836057831.

It is a happy number.

138750638814 is a `hidden beast` number, since 13 + 87 + 506 + 38 + 8 + 14 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3854184394 + ... + 3854184429.

It is an arithmetic number, because the mean of its divisors is an integer number (25052198678).

Almost surely, 2^138750638814 is an apocalyptic number.

138750638814 is an abundant number, since it is smaller than the sum of its proper divisors (161875745322).

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

138750638814 is a wasteful number, since it uses less digits than its factorization.

138750638814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7708368831 (or 7708368828 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 138750638814 in words is "one hundred thirty-eight billion, seven hundred fifty million, six hundred thirty-eight thousand, eight hundred fourteen".