6136308381 has 16 divisors (see below), whose sum is σ = 9842700800. Its totient is φ = 3321911088.

The previous prime is 6136308377. The next prime is 6136308397. The reversal of 6136308381 is 1838036316.

It is not a de Polignac number, because 6136308381 - 2² = 6136308377 is a prime.

It is a super-2 number, since 2×6136308381² = 75308561093461682322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6136308371) 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, 7689211 + ... + 7690008.

It is an arithmetic number, because the mean of its divisors is an integer number (615168800).

Almost surely, 2^6136308381 is an apocalyptic number.

It is an amenable number.

6136308381 is a deficient number, since it is larger than the sum of its proper divisors (3706392419).

6136308381 is a wasteful number, since it uses less digits than its factorization.

6136308381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15379248.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 6136308381 is about 78334.5924927168. The cubic root of 6136308381 is about 1830.7781715443.

The spelling of 6136308381 in words is "six billion, one hundred thirty-six million, three hundred eight thousand, three hundred eighty-one".