14168139 has 4 divisors (see below), whose sum is σ = 18890856. Its totient is φ = 9445424.

The previous prime is 14168117. The next prime is 14168213. The reversal of 14168139 is 93186141.

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 14168139 - 2⁸ = 14167883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14168039) 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, 2361354 + ... + 2361359.

It is an arithmetic number, because the mean of its divisors is an integer number (4722714).

Almost surely, 2^14168139 is an apocalyptic number.

14168139 is a deficient number, since it is larger than the sum of its proper divisors (4722717).

14168139 is an equidigital number, since it uses as much as digits as its factorization.

14168139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722716.

The product of its digits is 5184, while the sum is 33.

The square root of 14168139 is about 3764.0588465113. The cubic root of 14168139 is about 241.9752439216.

The spelling of 14168139 in words is "fourteen million, one hundred sixty-eight thousand, one hundred thirty-nine".