109131636 has 48 divisors (see below), whose sum is σ = 270406080. Its totient is φ = 34137600.

The previous prime is 109131599. The next prime is 109131641. The reversal of 109131636 is 636131901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103311 + ... + 104361.

It is an arithmetic number, because the mean of its divisors is an integer number (5633460).

Almost surely, 2^109131636 is an apocalyptic number.

It is an amenable number.

109131636 is an abundant number, since it is smaller than the sum of its proper divisors (161274444).

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

109131636 is a wasteful number, since it uses less digits than its factorization.

109131636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 109131636 is about 10446.6088277488. The cubic root of 109131636 is about 477.8778362319.

The spelling of 109131636 in words is "one hundred nine million, one hundred thirty-one thousand, six hundred thirty-six".