138613786276 has 48 divisors (see below), whose sum is σ = 286768854400. Its totient is φ = 57384453888.

The previous prime is 138613786247. The next prime is 138613786309. The reversal of 138613786276 is 672687316831.

It is a self number, because there is not a number n which added to its sum of digits gives 138613786276.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337281 + ... + 625288.

Almost surely, 2^138613786276 is an apocalyptic number.

It is an amenable number.

138613786276 is an abundant number, since it is smaller than the sum of its proper divisors (148155068124).

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

138613786276 is a wasteful number, since it uses less digits than its factorization.

138613786276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962756 (or 962754 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 58.

The spelling of 138613786276 in words is "one hundred thirty-eight billion, six hundred thirteen million, seven hundred eighty-six thousand, two hundred seventy-six".