14509139 has 4 divisors (see below), whose sum is σ = 14517024. Its totient is φ = 14501256.

The previous prime is 14509133. The next prime is 14509151. The reversal of 14509139 is 93190541.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 14509139 - 2⁴ = 14509123 is a prime.

It is a super-2 number, since 2×14509139² = 421030229042642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14509133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449 + ... + 5405.

It is an arithmetic number, because the mean of its divisors is an integer number (3629256).

Almost surely, 2^14509139 is an apocalyptic number.

14509139 is a deficient number, since it is larger than the sum of its proper divisors (7885).

14509139 is an equidigital number, since it uses as much as digits as its factorization.

14509139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7884.

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

The square root of 14509139 is about 3809.0863733972. The cubic root of 14509139 is about 243.9011682063.

The spelling of 14509139 in words is "fourteen million, five hundred nine thousand, one hundred thirty-nine".