5139 has 6 divisors (see below), whose sum is σ = 7436. Its totient is φ = 3420.

The previous prime is 5119. The next prime is 5147. The reversal of 5139 is 9315.

It is not a de Polignac number, because 5139 - 2⁵ = 5107 is a prime.

It is a Duffinian number.

5139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277 + ... + 294.

2⁵¹³⁹ is an apocalyptic number.

5139 is a deficient number, since it is larger than the sum of its proper divisors (2297).

5139 is a wasteful number, since it uses less digits than its factorization.

5139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 574 counting only the distinct ones).

The product of its digits is 135, while the sum is 18.

The square root of 5139 is about 71.6868188721. The cubic root of 5139 is about 17.2567711288.

It can be divided in two parts, 5 and 139, that added together give a square (144 = 12²).

The spelling of 5139 in words is "five thousand, one hundred thirty-nine".