14139 has 6 divisors (see below), whose sum is σ = 20436. Its totient is φ = 9420.
The previous prime is 14107. The next prime is 14143. The reversal of 14139 is 93141.
14139 is nontrivially palindromic in base 2.
It is not a de Polignac number, because 14139 - 25 = 14107 is a prime.
It is a super-2 number, since 2×141392 = 399822642, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (14149) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 777 + ... + 794.
It is an arithmetic number, because the mean of its divisors is an integer number (3406).
214139 is an apocalyptic number.
14139 is a deficient number, since it is larger than the sum of its proper divisors (6297).
14139 is a wasteful number, since it uses less digits than its factorization.
14139 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1577 (or 1574 counting only the distinct ones).
The product of its digits is 108, while the sum is 18.
The square root of 14139 is about 118.9075270956. The cubic root of 14139 is about 24.1809243387.
It can be divided in two parts, 14 and 139, that added together give a triangular number (153 = T17).
The spelling of 14139 in words is "fourteen thousand, one hundred thirty-nine".
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