14139389 has 16 divisors (see below), whose sum is σ = 15966720. Its totient is φ = 12410160.

The previous prime is 14139361. The next prime is 14139397. The reversal of 14139389 is 98393141.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 14139389 - 2¹⁶ = 14073853 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14139329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78902 + ... + 79080.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 2^14139389 is an apocalyptic number.

It is an amenable number.

14139389 is a deficient number, since it is larger than the sum of its proper divisors (1827331).

14139389 is a wasteful number, since it uses less digits than its factorization.

14139389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400.

The product of its digits is 23328, while the sum is 38.

The square root of 14139389 is about 3760.2378914106. The cubic root of 14139389 is about 241.8114609635.

The spelling of 14139389 in words is "fourteen million, one hundred thirty-nine thousand, three hundred eighty-nine".