1313035666 has 16 divisors (see below), whose sum is σ = 1980900000. Its totient is φ = 652746528.

The previous prime is 1313035583. The next prime is 1313035709. The reversal of 1313035666 is 6665303131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280110 + ... + 284758.

It is an arithmetic number, because the mean of its divisors is an integer number (123806250).

Almost surely, 2^1313035666 is an apocalyptic number.

1313035666 is a deficient number, since it is larger than the sum of its proper divisors (667864334).

1313035666 is a wasteful number, since it uses less digits than its factorization.

1313035666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433.

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 1313035666 is about 36235.8340044768. The cubic root of 1313035666 is about 1095.0287145226.

Adding to 1313035666 its reverse (6665303131), we get a palindrome (7978338797).

The spelling of 1313035666 in words is "one billion, three hundred thirteen million, thirty-five thousand, six hundred sixty-six".