138012503980234 has 24 divisors (see below), whose sum is σ = 224169684453900. Its totient is φ = 63697667948928.

The previous prime is 138012503980229. The next prime is 138012503980243. The reversal of 138012503980234 is 432089305210831.

It can be written as a sum of positive squares in 6 ways, for example, as 19531564819209 + 118480939161025 = 4419453^2 + 10884895^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54687784 + ... + 57155740.

Almost surely, 2^{138012503980234} is an apocalyptic number.

138012503980234 is a deficient number, since it is larger than the sum of its proper divisors (86157180473666).

138012503980234 is a wasteful number, since it uses less digits than its factorization.

138012503980234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633434 (or 2633421 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 138012503980234 in words is "one hundred thirty-eight trillion, twelve billion, five hundred three million, nine hundred eighty thousand, two hundred thirty-four".