6136135786 has 12 divisors (see below), whose sum is σ = 10117017666. Its totient is φ = 2789152520.

The previous prime is 6136135777. The next prime is 6136135787. The reversal of 6136135786 is 6875316316.

It can be written as a sum of positive squares in only one way, i.e., 5879975761 + 256160025 = 76681^2 + 16005^2 .

It is not an unprimeable number, because it can be changed into a prime (6136135787) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12677725 + ... + 12678208.

Almost surely, 2^6136135786 is an apocalyptic number.

6136135786 is a deficient number, since it is larger than the sum of its proper divisors (3980881880).

6136135786 is a wasteful number, since it uses less digits than its factorization.

6136135786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25355957 (or 25355946 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 6136135786 is about 78333.4908324658. The cubic root of 6136135786 is about 1830.7610067115.

The spelling of 6136135786 in words is "six billion, one hundred thirty-six million, one hundred thirty-five thousand, seven hundred eighty-six".