6136318138 has 8 divisors (see below), whose sum is σ = 9213513120. Its totient is φ = 3065147100.

The previous prime is 6136318129. The next prime is 6136318151. The reversal of 6136318138 is 8318136316.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6136318138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503438 + ... + 1507513.

It is an arithmetic number, because the mean of its divisors is an integer number (1151689140).

Almost surely, 2^6136318138 is an apocalyptic number.

6136318138 is a deficient number, since it is larger than the sum of its proper divisors (3077194982).

6136318138 is a wasteful number, since it uses less digits than its factorization.

6136318138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011972.

The product of its digits is 62208, while the sum is 40.

The square root of 6136318138 is about 78334.6547704144. The cubic root of 6136318138 is about 1830.7791418830.

The spelling of 6136318138 in words is "six billion, one hundred thirty-six million, three hundred eighteen thousand, one hundred thirty-eight".