100090564 has 24 divisors (see below), whose sum is σ = 201629120. Its totient is φ = 42585696.

The previous prime is 100090477. The next prime is 100090583. The reversal of 100090564 is 465090001.

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, 8967 + ... + 16750.

Almost surely, 2^100090564 is an apocalyptic number.

100090564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

100090564 is an abundant number, since it is smaller than the sum of its proper divisors (101538556).

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

100090564 is a wasteful number, since it uses less digits than its factorization.

100090564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25867 (or 25865 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 100090564 is about 10004.5271752342. The cubic root of 100090564 is about 464.2989613667.

The spelling of 100090564 in words is "one hundred million, ninety thousand, five hundred sixty-four".