6813606135 has 32 divisors (see below), whose sum is σ = 13000872960. Its totient is φ = 2979364608.

The previous prime is 6813606127. The next prime is 6813606139. The reversal of 6813606135 is 5316063186.

It is not a de Polignac number, because 6813606135 - 2³ = 6813606127 is a prime.

It is a super-3 number, since 3×6813606135³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6813606093 and 6813606102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6813606139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1408270 + ... + 1413099.

It is an arithmetic number, because the mean of its divisors is an integer number (406277280).

Almost surely, 2^6813606135 is an apocalyptic number.

6813606135 is a deficient number, since it is larger than the sum of its proper divisors (6187266825).

6813606135 is a wasteful number, since it uses less digits than its factorization.

6813606135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821407.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 6813606135 is about 82544.5705967388. The cubic root of 6813606135 is about 1895.7992266016.

The spelling of 6813606135 in words is "six billion, eight hundred thirteen million, six hundred six thousand, one hundred thirty-five".