109090913 has 8 divisors (see below), whose sum is σ = 115523520. Its totient is φ = 102727440.

The previous prime is 109090903. The next prime is 109090939. The reversal of 109090913 is 319090901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109090913 - 2⁴ = 109090897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 109090913.

It is not an unprimeable number, because it can be changed into a prime (109090903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14018 + ... + 20363.

It is an arithmetic number, because the mean of its divisors is an integer number (14440440).

Almost surely, 2^109090913 is an apocalyptic number.

It is an amenable number.

109090913 is a deficient number, since it is larger than the sum of its proper divisors (6432607).

109090913 is a wasteful number, since it uses less digits than its factorization.

109090913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34567.

The product of its (nonzero) digits is 2187, while the sum is 32.

The square root of 109090913 is about 10444.6595444753. The cubic root of 109090913 is about 477.8183880250.

The spelling of 109090913 in words is "one hundred nine million, ninety thousand, nine hundred thirteen".