1313229566 has 32 divisors (see below), whose sum is σ = 2279028960. Its totient is φ = 560896000.

The previous prime is 1313229559. The next prime is 1313229629. The reversal of 1313229566 is 6659223131.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 259670 + ... + 264678.

It is an arithmetic number, because the mean of its divisors is an integer number (71219655).

Almost surely, 2^1313229566 is an apocalyptic number.

1313229566 is a deficient number, since it is larger than the sum of its proper divisors (965799394).

1313229566 is a wasteful number, since it uses less digits than its factorization.

1313229566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5740.

The product of its digits is 58320, while the sum is 38.

The square root of 1313229566 is about 36238.5094340261. The cubic root of 1313229566 is about 1095.0826139514.

The spelling of 1313229566 in words is "one billion, three hundred thirteen million, two hundred twenty-nine thousand, five hundred sixty-six".