14147239 has 2 divisors, whose sum is σ = 14147240. Its totient is φ = 14147238.

The previous prime is 14147227. The next prime is 14147249. The reversal of 14147239 is 93274141.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14147239 - 2⁵ = 14147207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14147239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14147249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7073619 + 7073620.

It is an arithmetic number, because the mean of its divisors is an integer number (7073620).

Almost surely, 2^14147239 is an apocalyptic number.

14147239 is a deficient number, since it is larger than the sum of its proper divisors (1).

14147239 is an equidigital number, since it uses as much as digits as its factorization.

14147239 is an odious number, because the sum of its binary digits is odd.

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

The square root of 14147239 is about 3761.2815635100. The cubic root of 14147239 is about 241.8562028494.

The spelling of 14147239 in words is "fourteen million, one hundred forty-seven thousand, two hundred thirty-nine".