100392140 has 24 divisors (see below), whose sum is σ = 223225632. Its totient is φ = 37794560.

The previous prime is 100392139. The next prime is 100392179. The reversal of 100392140 is 41293001.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 147296 + ... + 147975.

It is an arithmetic number, because the mean of its divisors is an integer number (9301068).

Almost surely, 2^100392140 is an apocalyptic number.

100392140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100392140 is an abundant number, since it is smaller than the sum of its proper divisors (122833492).

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

100392140 is a wasteful number, since it uses less digits than its factorization.

100392140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295297 (or 295295 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 100392140 is about 10019.5878158735. The cubic root of 100392140 is about 464.7648095722.

The spelling of 100392140 in words is "one hundred million, three hundred ninety-two thousand, one hundred forty".