100479138 has 32 divisors (see below), whose sum is σ = 205922304. Its totient is φ = 32670672.

The previous prime is 100479107. The next prime is 100479167. The reversal of 100479138 is 831974001.

It is a junction number, because it is equal to n+sod(n) for n = 100479099 and 100479108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165231 + ... + 165837.

It is an arithmetic number, because the mean of its divisors is an integer number (6435072).

Almost surely, 2^100479138 is an apocalyptic number.

100479138 is an abundant number, since it is smaller than the sum of its proper divisors (105443166).

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

100479138 is a wasteful number, since it uses less digits than its factorization.

100479138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 100479138 is about 10023.9282718902. The cubic root of 100479138 is about 464.8990230503.

The spelling of 100479138 in words is "one hundred million, four hundred seventy-nine thousand, one hundred thirty-eight".