1330613256 has 64 divisors (see below), whose sum is σ = 4025393280. Its totient is φ = 357811200.

The previous prime is 1330613161. The next prime is 1330613261. The reversal of 1330613256 is 6523160331.

It is a happy number.

It is a super-4 number, since 4×1330613256⁴ (a number of 38 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230095 + ... + 235806.

It is an arithmetic number, because the mean of its divisors is an integer number (62896770).

Almost surely, 2^1330613256 is an apocalyptic number.

It is an amenable number.

1330613256 is an abundant number, since it is smaller than the sum of its proper divisors (2694780024).

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

1330613256 is a wasteful number, since it uses less digits than its factorization.

1330613256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465934 (or 465930 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 1330613256 is about 36477.5719586707. The cubic root of 1330613256 is about 1099.8934486324.

Adding to 1330613256 its reverse (6523160331), we get a palindrome (7853773587).

It can be divided in two parts, 13306 and 13256, that added together give a palindrome (26562).

The spelling of 1330613256 in words is "one billion, three hundred thirty million, six hundred thirteen thousand, two hundred fifty-six".