14139549 has 16 divisors (see below), whose sum is σ = 21859200. Its totient is φ = 9016128.

The previous prime is 14139533. The next prime is 14139551. The reversal of 14139549 is 94593141.

It is a happy number.

14139549 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14139549 - 2⁴ = 14139533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14139569) 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 15 ways as a sum of consecutive naturals, for example, 10764 + ... + 12005.

It is an arithmetic number, because the mean of its divisors is an integer number (1366200).

Almost surely, 2^14139549 is an apocalyptic number.

It is an amenable number.

14139549 is a deficient number, since it is larger than the sum of its proper divisors (7719651).

14139549 is a wasteful number, since it uses less digits than its factorization.

14139549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22801 (or 22795 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 14139549 is about 3760.2591666001. The cubic root of 14139549 is about 241.8123730654.

The spelling of 14139549 in words is "fourteen million, one hundred thirty-nine thousand, five hundred forty-nine".