5139866771 has 16 divisors (see below), whose sum is σ = 5630681280. Its totient is φ = 4662817920.

The previous prime is 5139866747. The next prime is 5139866773. The reversal of 5139866771 is 1776689315.

It is a cyclic number.

It is not a de Polignac number, because 5139866771 - 2³⁰ = 4066124947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5139866773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1416866 + ... + 1420488.

It is an arithmetic number, because the mean of its divisors is an integer number (351917580).

Almost surely, 2^5139866771 is an apocalyptic number.

5139866771 is a deficient number, since it is larger than the sum of its proper divisors (490814509).

5139866771 is a wasteful number, since it uses less digits than its factorization.

5139866771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486.

The product of its digits is 1905120, while the sum is 53.

The square root of 5139866771 is about 71692.8641567625. The cubic root of 5139866771 is about 1725.7741280450.

The spelling of 5139866771 in words is "five billion, one hundred thirty-nine million, eight hundred sixty-six thousand, seven hundred seventy-one".