100635009 has 8 divisors (see below), whose sum is σ = 134272320. Its totient is φ = 67043856.

The previous prime is 100634999. The next prime is 100635011. The reversal of 100635009 is 900536001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100635009 - 2⁵ = 100634977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100635009.

It is not an unprimeable number, because it can be changed into a prime (100635089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6082 + ... + 15435.

It is an arithmetic number, because the mean of its divisors is an integer number (16784040).

Almost surely, 2^100635009 is an apocalyptic number.

It is an amenable number.

100635009 is a deficient number, since it is larger than the sum of its proper divisors (33637311).

100635009 is a wasteful number, since it uses less digits than its factorization.

100635009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23079.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 100635009 is about 10031.7002048506. The cubic root of 100635009 is about 465.1392946084.

The spelling of 100635009 in words is "one hundred million, six hundred thirty-five thousand, nine".