109902136 has 16 divisors (see below), whose sum is σ = 211636440. Its totient is φ = 53465760.

The previous prime is 109902131. The next prime is 109902151. The reversal of 109902136 is 631209901.

It is a junction number, because it is equal to n+sod(n) for n = 109902098 and 109902107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109902131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185350 + ... + 185941.

Almost surely, 2^109902136 is an apocalyptic number.

It is an amenable number.

109902136 is a deficient number, since it is larger than the sum of its proper divisors (101734304).

109902136 is a wasteful number, since it uses less digits than its factorization.

109902136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371334 (or 371330 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 109902136 is about 10483.4219604097. The cubic root of 109902136 is about 478.9998503609. Note that the first 3 decimals are identical.

The spelling of 109902136 in words is "one hundred nine million, nine hundred two thousand, one hundred thirty-six".