109039415 has 4 divisors (see below), whose sum is σ = 130847304. Its totient is φ = 87231528.

The previous prime is 109039409. The next prime is 109039433. The reversal of 109039415 is 514930901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 514930901 = 17 ⋅30290053.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109039415 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10903937 + ... + 10903946.

It is an arithmetic number, because the mean of its divisors is an integer number (32711826).

Almost surely, 2^109039415 is an apocalyptic number.

109039415 is a deficient number, since it is larger than the sum of its proper divisors (21807889).

109039415 is an equidigital number, since it uses as much as digits as its factorization.

109039415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21807888.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 109039415 is about 10442.1939744481. The cubic root of 109039415 is about 477.7431890811.

The spelling of 109039415 in words is "one hundred nine million, thirty-nine thousand, four hundred fifteen".