5121331139 has 2 divisors, whose sum is σ = 5121331140. Its totient is φ = 5121331138.

The previous prime is 5121331129. The next prime is 5121331147. The reversal of 5121331139 is 9311331215.

5121331139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5121331139 is a prime.

It is not a weakly prime, because it can be changed into another prime (5121331109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560665569 + 2560665570.

It is an arithmetic number, because the mean of its divisors is an integer number (2560665570).

Almost surely, 2^5121331139 is an apocalyptic number.

5121331139 is a deficient number, since it is larger than the sum of its proper divisors (1).

5121331139 is an equidigital number, since it uses as much as digits as its factorization.

5121331139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2430, while the sum is 29.

The square root of 5121331139 is about 71563.4762920304. The cubic root of 5121331139 is about 1723.6971063765.

The spelling of 5121331139 in words is "five billion, one hundred twenty-one million, three hundred thirty-one thousand, one hundred thirty-nine".