109313909 has 4 divisors (see below), whose sum is σ = 110100480. Its totient is φ = 108527340.

The previous prime is 109313903. The next prime is 109313929. The reversal of 109313909 is 909313901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109313909 - 2⁸ = 109313653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109313903) 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, 393077 + ... + 393354.

It is an arithmetic number, because the mean of its divisors is an integer number (27525120).

Almost surely, 2^109313909 is an apocalyptic number.

It is an amenable number.

109313909 is a deficient number, since it is larger than the sum of its proper divisors (786571).

109313909 is an equidigital number, since it uses as much as digits as its factorization.

109313909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786570.

The product of its (nonzero) digits is 6561, while the sum is 35.

The square root of 109313909 is about 10455.3292152854. The cubic root of 109313909 is about 478.1437407267.

The spelling of 109313909 in words is "one hundred nine million, three hundred thirteen thousand, nine hundred nine".