14109909 has 16 divisors (see below), whose sum is σ = 20874240. Its totient is φ = 8405360.

The previous prime is 14109889. The next prime is 14109919. The reversal of 14109909 is 90990141.

It is a cyclic number.

It is not a de Polignac number, because 14109909 - 2⁵ = 14109877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 14109909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14109919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1677 + ... + 5570.

It is an arithmetic number, because the mean of its divisors is an integer number (1304640).

Almost surely, 2^14109909 is an apocalyptic number.

It is an amenable number.

14109909 is a deficient number, since it is larger than the sum of its proper divisors (6764331).

14109909 is a wasteful number, since it uses less digits than its factorization.

14109909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 14109909 is about 3756.3158812858. The cubic root of 14109909 is about 241.6432886356.

The spelling of 14109909 in words is "fourteen million, one hundred nine thousand, nine hundred nine".