14306139 has 24 divisors (see below), whose sum is σ = 21660912. Its totient is φ = 9434880.

The previous prime is 14306137. The next prime is 14306153. The reversal of 14306139 is 93160341.

14306139 is a `hidden beast` number, since 1 + 43 + 0 + 613 + 9 = 666.

It is not a de Polignac number, because 14306139 - 2¹ = 14306137 is a prime.

It is a super-2 number, since 2×14306139² = 409331226174642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (14306137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27199 + ... + 27719.

It is an arithmetic number, because the mean of its divisors is an integer number (902538).

Almost surely, 2^14306139 is an apocalyptic number.

14306139 is a deficient number, since it is larger than the sum of its proper divisors (7354773).

14306139 is an equidigital number, since it uses as much as digits as its factorization.

14306139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 14306139 is about 3782.3457007524. The cubic root of 14306139 is about 242.7583331268.

It can be divided in two parts, 1430 and 6139, that added together give a square (7569 = 87²).

The spelling of 14306139 in words is "fourteen million, three hundred six thousand, one hundred thirty-nine".