5136857942 has 4 divisors (see below), whose sum is σ = 7705286916. Its totient is φ = 2568428970.

The previous prime is 5136857939. The next prime is 5136857953. The reversal of 5136857942 is 2497586315.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284214484 + ... + 1284214487.

It is an arithmetic number, because the mean of its divisors is an integer number (1926321729).

Almost surely, 2^5136857942 is an apocalyptic number.

5136857942 is a deficient number, since it is larger than the sum of its proper divisors (2568428974).

5136857942 is a wasteful number, since it uses less digits than its factorization.

5136857942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568428973.

The product of its digits is 1814400, while the sum is 50.

The square root of 5136857942 is about 71671.8769253324. The cubic root of 5136857942 is about 1725.4373117403.

The spelling of 5136857942 in words is "five billion, one hundred thirty-six million, eight hundred fifty-seven thousand, nine hundred forty-two".