108269609 has 4 divisors (see below), whose sum is σ = 123736704. Its totient is φ = 92802516.

The previous prime is 108269587. The next prime is 108269611. The reversal of 108269609 is 906962801.

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 108269609 - 2²⁴ = 91492393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108268609) 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, 7733537 + ... + 7733550.

It is an arithmetic number, because the mean of its divisors is an integer number (30934176).

Almost surely, 2^108269609 is an apocalyptic number.

It is an amenable number.

108269609 is a deficient number, since it is larger than the sum of its proper divisors (15467095).

108269609 is an equidigital number, since it uses as much as digits as its factorization.

108269609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15467094.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 108269609 is about 10405.2683290725. The cubic root of 108269609 is about 476.6162618606.

The spelling of 108269609 in words is "one hundred eight million, two hundred sixty-nine thousand, six hundred nine".