100133989 has 8 divisors (see below), whose sum is σ = 101943360. Its totient is φ = 98340000.

The previous prime is 100133983. The next prime is 100133993. The reversal of 100133989 is 989331001.

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

It is a cyclic number.

It is not a de Polignac number, because 100133989 - 2³ = 100133981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100133981) 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, 9714 + ... + 17164.

It is an arithmetic number, because the mean of its divisors is an integer number (12742920).

Almost surely, 2^100133989 is an apocalyptic number.

It is an amenable number.

100133989 is a deficient number, since it is larger than the sum of its proper divisors (1809371).

100133989 is an equidigital number, since it uses as much as digits as its factorization.

100133989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7691.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 100133989 is about 10006.6972073707. The cubic root of 100133989 is about 464.3660981226.

The spelling of 100133989 in words is "one hundred million, one hundred thirty-three thousand, nine hundred eighty-nine".