5139239913 has 8 divisors (see below), whose sum is σ = 7613688800. Its totient is φ = 3426159924.

The previous prime is 5139239867. The next prime is 5139239939. The reversal of 5139239913 is 3199329315.

It is a happy number.

5139239913 is a `hidden beast` number, since 513 + 92 + 39 + 9 + 13 = 666.

It is not a de Polignac number, because 5139239913 - 2⁶ = 5139239849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5139239993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95171083 + ... + 95171136.

It is an arithmetic number, because the mean of its divisors is an integer number (951711100).

Almost surely, 2^5139239913 is an apocalyptic number.

It is an amenable number.

5139239913 is a deficient number, since it is larger than the sum of its proper divisors (2474448887).

5139239913 is a wasteful number, since it uses less digits than its factorization.

5139239913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190342228 (or 190342222 counting only the distinct ones).

The product of its digits is 196830, while the sum is 45.

The square root of 5139239913 is about 71688.4921936569. The cubic root of 5139239913 is about 1725.7039667387.

The spelling of 5139239913 in words is "five billion, one hundred thirty-nine million, two hundred thirty-nine thousand, nine hundred thirteen".