14724139 has 4 divisors (see below), whose sum is σ = 14750856. Its totient is φ = 14697424.

The previous prime is 14724133. The next prime is 14724181. The reversal of 14724139 is 93142741.

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

It is a cyclic number.

It is not a de Polignac number, because 14724139 - 2¹⁷ = 14593067 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14724139.

It is not an unprimeable number, because it can be changed into a prime (14724133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12514 + ... + 13639.

It is an arithmetic number, because the mean of its divisors is an integer number (3687714).

Almost surely, 2^14724139 is an apocalyptic number.

14724139 is a deficient number, since it is larger than the sum of its proper divisors (26717).

14724139 is an equidigital number, since it uses as much as digits as its factorization.

14724139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26716.

The product of its digits is 6048, while the sum is 31.

The square root of 14724139 is about 3837.2045814629. The cubic root of 14724139 is about 245.0999952780.

The spelling of 14724139 in words is "fourteen million, seven hundred twenty-four thousand, one hundred thirty-nine".