14156399 has 2 divisors, whose sum is σ = 14156400. Its totient is φ = 14156398.

The previous prime is 14156383. The next prime is 14156407. The reversal of 14156399 is 99365141.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14156399 - 2⁴ = 14156383 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14156299) 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, 7078199 + 7078200.

It is an arithmetic number, because the mean of its divisors is an integer number (7078200).

Almost surely, 2^14156399 is an apocalyptic number.

14156399 is a deficient number, since it is larger than the sum of its proper divisors (1).

14156399 is an equidigital number, since it uses as much as digits as its factorization.

14156399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 38.

The square root of 14156399 is about 3762.4990365447. The cubic root of 14156399 is about 241.9083902963.

The spelling of 14156399 in words is "fourteen million, one hundred fifty-six thousand, three hundred ninety-nine".