109108940 has 24 divisors (see below), whose sum is σ = 230541360. Its totient is φ = 43374528.

The previous prime is 109108921. The next prime is 109108957. The reversal of 109108940 is 49801901.

It is a junction number, because it is equal to n+sod(n) for n = 109108897 and 109108906.

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 7 ways as a sum of consecutive naturals, for example, 13475 + ... + 19994.

It is an arithmetic number, because the mean of its divisors is an integer number (9605890).

Almost surely, 2^109108940 is an apocalyptic number.

109108940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109108940 is an abundant number, since it is smaller than the sum of its proper divisors (121432420).

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

109108940 is a wasteful number, since it uses less digits than its factorization.

109108940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33641 (or 33639 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 109108940 is about 10445.5224857352. The cubic root of 109108940 is about 477.8447060058.

The spelling of 109108940 in words is "one hundred nine million, one hundred eight thousand, nine hundred forty".