138726500100 has 72 divisors (see below), whose sum is σ = 401501906400. Its totient is φ = 36982682880.

The previous prime is 138726500063. The next prime is 138726500123. The reversal of 138726500100 is 1005627831.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 962551 + ... + 1097249.

Almost surely, 2^138726500100 is an apocalyptic number.

138726500100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138726500100 is an abundant number, since it is smaller than the sum of its proper divisors (262775406300).

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

138726500100 is a wasteful number, since it uses less digits than its factorization.

138726500100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138149 (or 138142 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 138726500100 in words is "one hundred thirty-eight billion, seven hundred twenty-six million, five hundred thousand, one hundred".