14811139 has 4 divisors (see below), whose sum is σ = 16927024. Its totient is φ = 12695256.

The previous prime is 14811133. The next prime is 14811143. The reversal of 14811139 is 93111841.

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

It is not a de Polignac number, because 14811139 - 2⁵ = 14811107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14811133) 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, 1057932 + ... + 1057945.

It is an arithmetic number, because the mean of its divisors is an integer number (4231756).

Almost surely, 2^14811139 is an apocalyptic number.

14811139 is a deficient number, since it is larger than the sum of its proper divisors (2115885).

14811139 is an equidigital number, since it uses as much as digits as its factorization.

14811139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115884.

The product of its digits is 864, while the sum is 28.

The square root of 14811139 is about 3848.5242626233. The cubic root of 14811139 is about 245.5817855028.

The spelling of 14811139 in words is "fourteen million, eight hundred eleven thousand, one hundred thirty-nine".