138854367404236 has 24 divisors (see below), whose sum is σ = 265178590608960. Its totient is φ = 63093483426000.

The previous prime is 138854367404197. The next prime is 138854367404239. The reversal of 138854367404236 is 632404763458831.

It is not an unprimeable number, because it can be changed into a prime (138854367404239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553326166 + ... + 553577053.

It is an arithmetic number, because the mean of its divisors is an integer number (11049107942040).

Almost surely, 2^{138854367404236} is an apocalyptic number.

It is an amenable number.

138854367404236 is a deficient number, since it is larger than the sum of its proper divisors (126324223204724).

138854367404236 is a wasteful number, since it uses less digits than its factorization.

138854367404236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106906085 (or 1106906083 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 64.

The spelling of 138854367404236 in words is "one hundred thirty-eight trillion, eight hundred fifty-four billion, three hundred sixty-seven million, four hundred four thousand, two hundred thirty-six".