100292855138 has 24 divisors (see below), whose sum is σ = 185294965932. Its totient is φ = 40454260224.

The previous prime is 100292855111. The next prime is 100292855141. The reversal of 100292855138 is 831558292001.

It can be written as a sum of positive squares in 2 ways, for example, as 99441207649 + 851647489 = 315343^2 + 29183^2 .

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, 30098231 + ... + 30101562.

Almost surely, 2^100292855138 is an apocalyptic number.

100292855138 is a deficient number, since it is larger than the sum of its proper divisors (85002110794).

100292855138 is a wasteful number, since it uses less digits than its factorization.

100292855138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60199826 (or 60199819 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 100292855138 in words is "one hundred billion, two hundred ninety-two million, eight hundred fifty-five thousand, one hundred thirty-eight".