1013635656 has 48 divisors (see below), whose sum is σ = 2994834960. Its totient is φ = 307162080.

The previous prime is 1013635633. The next prime is 1013635703. The reversal of 1013635656 is 6565363101.

1013635656 is a `hidden beast` number, since 1 + 0 + 13 + 635 + 6 + 5 + 6 = 666.

1013635656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1013635656² = 2054914486229100672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1013635656.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639130 + ... + 640713.

It is an arithmetic number, because the mean of its divisors is an integer number (62392395).

Almost surely, 2^1013635656 is an apocalyptic number.

It is an amenable number.

1013635656 is an abundant number, since it is smaller than the sum of its proper divisors (1981199304).

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

1013635656 is a wasteful number, since it uses less digits than its factorization.

1013635656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279866 (or 1279859 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 1013635656 is about 31837.6452646863. The cubic root of 1013635656 is about 1004.5247147449.

Adding to 1013635656 its reverse (6565363101), we get a palindrome (7578998757).

The spelling of 1013635656 in words is "one billion, thirteen million, six hundred thirty-five thousand, six hundred fifty-six".