109309079 has 4 divisors (see below), whose sum is σ = 119246280. Its totient is φ = 99371880.

The previous prime is 109309049. The next prime is 109309103. The reversal of 109309079 is 970903901.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109309079 - 2²⁴ = 92531863 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 (109309019) 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, 4968584 + ... + 4968605.

It is an arithmetic number, because the mean of its divisors is an integer number (29811570).

Almost surely, 2^109309079 is an apocalyptic number.

109309079 is a deficient number, since it is larger than the sum of its proper divisors (9937201).

109309079 is an equidigital number, since it uses as much as digits as its factorization.

109309079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9937200.

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 109309079 is about 10455.0982300503. The cubic root of 109309079 is about 478.1366984137.

The spelling of 109309079 in words is "one hundred nine million, three hundred nine thousand, seventy-nine".