14387539 has 4 divisors (see below), whose sum is σ = 14659056. Its totient is φ = 14116024.

The previous prime is 14387537. The next prime is 14387543. The reversal of 14387539 is 93578341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14387539 - 2¹ = 14387537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14387531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135679 + ... + 135784.

It is an arithmetic number, because the mean of its divisors is an integer number (3664764).

Almost surely, 2^14387539 is an apocalyptic number.

14387539 is a deficient number, since it is larger than the sum of its proper divisors (271517).

14387539 is an equidigital number, since it uses as much as digits as its factorization.

14387539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271516.

The product of its digits is 90720, while the sum is 40.

The square root of 14387539 is about 3793.0909559355. The cubic root of 14387539 is about 243.2178833496.

The spelling of 14387539 in words is "fourteen million, three hundred eighty-seven thousand, five hundred thirty-nine".