109117938 has 16 divisors (see below), whose sum is σ = 220239360. Its totient is φ = 36038736.

The previous prime is 109117913. The next prime is 109117979. The reversal of 109117938 is 839711901.

It is a junction number, because it is equal to n+sod(n) for n = 109117896 and 109117905.

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, 82770 + ... + 84077.

It is an arithmetic number, because the mean of its divisors is an integer number (13764960).

Almost surely, 2^109117938 is an apocalyptic number.

109117938 is an abundant number, since it is smaller than the sum of its proper divisors (111121422).

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

109117938 is a wasteful number, since it uses less digits than its factorization.

109117938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166961.

The product of its (nonzero) digits is 13608, while the sum is 39.

The square root of 109117938 is about 10445.9531877182. The cubic root of 109117938 is about 477.8578412829.

The spelling of 109117938 in words is "one hundred nine million, one hundred seventeen thousand, nine hundred thirty-eight".