14418139 has 2 divisors, whose sum is σ = 14418140. Its totient is φ = 14418138.

The previous prime is 14418113. The next prime is 14418149. The reversal of 14418139 is 93181441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14418139 - 2¹⁷ = 14287067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14418139.

It is not a weakly prime, because it can be changed into another prime (14418149) 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 as a sum of consecutive naturals, namely, 7209069 + 7209070.

It is an arithmetic number, because the mean of its divisors is an integer number (7209070).

Almost surely, 2^14418139 is an apocalyptic number.

14418139 is a deficient number, since it is larger than the sum of its proper divisors (1).

14418139 is an equidigital number, since it uses as much as digits as its factorization.

14418139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 14418139 is about 3797.1224631292. The cubic root of 14418139 is about 243.3901897957.

The spelling of 14418139 in words is "fourteen million, four hundred eighteen thousand, one hundred thirty-nine".