100187539408 has 40 divisors (see below), whose sum is σ = 213739132320. Its totient is φ = 45114176640.

The previous prime is 100187539399. The next prime is 100187539421. The reversal of 100187539408 is 804935781001.

It is a happy number.

It is a congruent number.

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, 2641203 + ... + 2678866.

It is an arithmetic number, because the mean of its divisors is an integer number (5343478308).

Almost surely, 2^100187539408 is an apocalyptic number.

It is an amenable number.

100187539408 is an abundant number, since it is smaller than the sum of its proper divisors (113551592912).

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

100187539408 is a wasteful number, since it uses less digits than its factorization.

100187539408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5320195 (or 5320189 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 100187539408 in words is "one hundred billion, one hundred eighty-seven million, five hundred thirty-nine thousand, four hundred eight".