138370013836 has 24 divisors (see below), whose sum is σ = 246570308096. Its totient is φ = 67932587520.

The previous prime is 138370013827. The next prime is 138370013849. The reversal of 138370013836 is 638310073831.

It is a junction number, because it is equal to n+sod(n) for n = 138370013792 and 138370013801.

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, 1354755 + ... + 1453306.

Almost surely, 2^138370013836 is an apocalyptic number.

It is an amenable number.

138370013836 is a deficient number, since it is larger than the sum of its proper divisors (108200294260).

138370013836 is a wasteful number, since it uses less digits than its factorization.

138370013836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808289 (or 2808287 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 138370013836 in words is "one hundred thirty-eight billion, three hundred seventy million, thirteen thousand, eight hundred thirty-six".