14539919 has 2 divisors, whose sum is σ = 14539920. Its totient is φ = 14539918.

The previous prime is 14539843. The next prime is 14539937. The reversal of 14539919 is 91993541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14539919 is a prime.

It is a super-2 number, since 2×14539919² = 422818489053122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14539949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7269959 + 7269960.

It is an arithmetic number, because the mean of its divisors is an integer number (7269960).

Almost surely, 2^14539919 is an apocalyptic number.

14539919 is a deficient number, since it is larger than the sum of its proper divisors (1).

14539919 is an equidigital number, since it uses as much as digits as its factorization.

14539919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 41.

The square root of 14539919 is about 3813.1245717915. The cubic root of 14539919 is about 244.0735187849.

The spelling of 14539919 in words is "fourteen million, five hundred thirty-nine thousand, nine hundred nineteen".