3135722868 has 60 divisors (see below), whose sum is σ = 8220046912. Its totient is φ = 1042353360.

The previous prime is 3135722857. The next prime is 3135722869. The reversal of 3135722868 is 8682275313.

3135722868 is a `hidden beast` number, since 3 + 13 + 572 + 2 + 8 + 68 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3135722869) 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 19 ways as a sum of consecutive naturals, for example, 105723 + ... + 132093.

Almost surely, 2^3135722868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3135722868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4110023456).

3135722868 is an abundant number, since it is smaller than the sum of its proper divisors (5084324044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3135722868 is a wasteful number, since it uses less digits than its factorization.

3135722868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26754 (or 26743 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 3135722868 is about 55997.5255524742. The cubic root of 3135722868 is about 1463.6791657871.

The spelling of 3135722868 in words is "three billion, one hundred thirty-five million, seven hundred twenty-two thousand, eight hundred sixty-eight".