14391139 has 8 divisors (see below), whose sum is σ = 16472160. Its totient is φ = 12316416.

The previous prime is 14391137. The next prime is 14391149. The reversal of 14391139 is 93119341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14391139 - 2¹ = 14391137 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 14391139.

It is not an unprimeable number, because it can be changed into a prime (14391133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5397 + ... + 7609.

It is an arithmetic number, because the mean of its divisors is an integer number (2059020).

Almost surely, 2^14391139 is an apocalyptic number.

14391139 is a deficient number, since it is larger than the sum of its proper divisors (2081021).

14391139 is an equidigital number, since it uses as much as digits as its factorization.

14391139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149.

The product of its digits is 2916, while the sum is 31.

The square root of 14391139 is about 3793.5654732718. The cubic root of 14391139 is about 243.2381673690.

The spelling of 14391139 in words is "fourteen million, three hundred ninety-one thousand, one hundred thirty-nine".