6135813 has 12 divisors (see below), whose sum is σ = 8950240. Its totient is φ = 4050216.

The previous prime is 6135797. The next prime is 6135839. The reversal of 6135813 is 3185316.

6135813 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6135813 - 2⁴ = 6135797 is a prime.

It is a Duffinian number.

6135813 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6135893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2383 + ... + 4236.

Almost surely, 2^6135813 is an apocalyptic number.

It is an amenable number.

6135813 is a deficient number, since it is larger than the sum of its proper divisors (2814427).

6135813 is a wasteful number, since it uses less digits than its factorization.

6135813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6728 (or 6725 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 6135813 is about 2477.0573267488. The cubic root of 6135813 is about 183.0728904294.

The spelling of 6135813 in words is "six million, one hundred thirty-five thousand, eight hundred thirteen".