14375639 has 2 divisors, whose sum is σ = 14375640. Its totient is φ = 14375638.

The previous prime is 14375623. The next prime is 14375651. The reversal of 14375639 is 93657341.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (93657341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14375639 - 2⁴ = 14375623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14375839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7187819 + 7187820.

It is an arithmetic number, because the mean of its divisors is an integer number (7187820).

Almost surely, 2^14375639 is an apocalyptic number.

14375639 is a deficient number, since it is larger than the sum of its proper divisors (1).

14375639 is an equidigital number, since it uses as much as digits as its factorization.

14375639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 38.

The square root of 14375639 is about 3791.5219899138. The cubic root of 14375639 is about 243.1508093086.

The spelling of 14375639 in words is "fourteen million, three hundred seventy-five thousand, six hundred thirty-nine".