1313663356 has 12 divisors (see below), whose sum is σ = 2299965192. Its totient is φ = 656530448.

The previous prime is 1313663317. The next prime is 1313663381. The reversal of 1313663356 is 6533663131.

It is a super-2 number, since 2×1313663356² = 3451422825794365472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65350 + ... + 83053.

It is an arithmetic number, because the mean of its divisors is an integer number (191663766).

Almost surely, 2^1313663356 is an apocalyptic number.

It is an amenable number.

1313663356 is a deficient number, since it is larger than the sum of its proper divisors (986301836).

1313663356 is a wasteful number, since it uses less digits than its factorization.

1313663356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150620 (or 150618 counting only the distinct ones).

The product of its digits is 87480, while the sum is 37.

The square root of 1313663356 is about 36244.4941473874. The cubic root of 1313663356 is about 1095.2031776882.

The spelling of 1313663356 in words is "one billion, three hundred thirteen million, six hundred sixty-three thousand, three hundred fifty-six".