109090520 has 64 divisors (see below), whose sum is σ = 306028800. Its totient is φ = 34001280.

The previous prime is 109090511. The next prime is 109090537. The reversal of 109090520 is 25090901.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 109090520.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14630 + ... + 20789.

It is an arithmetic number, because the mean of its divisors is an integer number (4781700).

Almost surely, 2^109090520 is an apocalyptic number.

109090520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109090520 is an abundant number, since it is smaller than the sum of its proper divisors (196938280).

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

109090520 is a wasteful number, since it uses less digits than its factorization.

109090520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35448 (or 35444 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 109090520 is about 10444.6407310161. The cubic root of 109090520 is about 477.8178142441.

The spelling of 109090520 in words is "one hundred nine million, ninety thousand, five hundred twenty".