14815139 has 2 divisors, whose sum is σ = 14815140. Its totient is φ = 14815138.

The previous prime is 14815127. The next prime is 14815153. The reversal of 14815139 is 93151841.

14815139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (93151841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14815139 - 2⁴ = 14815123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14815159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7407569 + 7407570.

It is an arithmetic number, because the mean of its divisors is an integer number (7407570).

Almost surely, 2^14815139 is an apocalyptic number.

14815139 is a deficient number, since it is larger than the sum of its proper divisors (1).

14815139 is an equidigital number, since it uses as much as digits as its factorization.

14815139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 32.

The square root of 14815139 is about 3849.0439072580. The cubic root of 14815139 is about 245.6038913589.

The spelling of 14815139 in words is "fourteen million, eight hundred fifteen thousand, one hundred thirty-nine".