138234102276 has 24 divisors (see below), whose sum is σ = 322578353664. Its totient is φ = 46073446240.

The previous prime is 138234102263. The next prime is 138234102283. The reversal of 138234102276 is 672201432831.

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, 446820 + ... + 690011.

It is an arithmetic number, because the mean of its divisors is an integer number (13440764736).

Almost surely, 2^138234102276 is an apocalyptic number.

It is an amenable number.

138234102276 is an abundant number, since it is smaller than the sum of its proper divisors (184344251388).

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

138234102276 is a wasteful number, since it uses less digits than its factorization.

138234102276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146971 (or 1146969 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 138234102276 in words is "one hundred thirty-eight billion, two hundred thirty-four million, one hundred two thousand, two hundred seventy-six".