100901138 has 16 divisors (see below), whose sum is σ = 170081856. Its totient is φ = 44544720.

The previous prime is 100901131. The next prime is 100901173. The reversal of 100901138 is 831109001.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100901131) 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, 83768 + ... + 84963.

It is an arithmetic number, because the mean of its divisors is an integer number (10630116).

Almost surely, 2^100901138 is an apocalyptic number.

100901138 is a deficient number, since it is larger than the sum of its proper divisors (69180718).

100901138 is a wasteful number, since it uses less digits than its factorization.

100901138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168769.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 100901138 is about 10044.9558485839. The cubic root of 100901138 is about 465.5489535612.

The spelling of 100901138 in words is "one hundred million, nine hundred one thousand, one hundred thirty-eight".