109715109 has 8 divisors (see below), whose sum is σ = 167184960. Its totient is φ = 62694336.

The previous prime is 109715087. The next prime is 109715117. The reversal of 109715109 is 901517901.

It is a happy number.

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

It is not a de Polignac number, because 109715109 - 2⁹ = 109714597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109715109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109715509) by changing a digit.

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, 2612244 + ... + 2612285.

It is an arithmetic number, because the mean of its divisors is an integer number (20898120).

Almost surely, 2^109715109 is an apocalyptic number.

It is an amenable number.

109715109 is a deficient number, since it is larger than the sum of its proper divisors (57469851).

109715109 is an equidigital number, since it uses as much as digits as its factorization.

109715109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224539.

The product of its (nonzero) digits is 2835, while the sum is 33.

The square root of 109715109 is about 10474.4980309321. The cubic root of 109715109 is about 478.7279819082.

The spelling of 109715109 in words is "one hundred nine million, seven hundred fifteen thousand, one hundred nine".