100635140 has 24 divisors (see below), whose sum is σ = 211522752. Its totient is φ = 40218080.

The previous prime is 100635127. The next prime is 100635151. The reversal of 100635140 is 41536001.

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, 40535 + ... + 42945.

It is an arithmetic number, because the mean of its divisors is an integer number (8813448).

Almost surely, 2^100635140 is an apocalyptic number.

100635140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100635140 is an abundant number, since it is smaller than the sum of its proper divisors (110887612).

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

100635140 is a wasteful number, since it uses less digits than its factorization.

100635140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507 (or 4505 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 100635140 is about 10031.7067341505. The cubic root of 100635140 is about 465.1394964375.

The spelling of 100635140 in words is "one hundred million, six hundred thirty-five thousand, one hundred forty".