1313055066 has 16 divisors (see below), whose sum is σ = 2628144288. Its totient is φ = 437346000.

The previous prime is 1313055049. The next prime is 1313055071. The reversal of 1313055066 is 6605503131.

It is a super-2 number, since 2×1313055066² = 3448227212696528712, which contains 22 as substring.

It is a Curzon number.

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, 76300 + ... + 91911.

It is an arithmetic number, because the mean of its divisors is an integer number (164259018).

Almost surely, 2^1313055066 is an apocalyptic number.

1313055066 is an abundant number, since it is smaller than the sum of its proper divisors (1315089222).

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

1313055066 is a wasteful number, since it uses less digits than its factorization.

1313055066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169517.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 1313055066 is about 36236.1016943048. The cubic root of 1313055066 is about 1095.0341074841.

Adding to 1313055066 its reverse (6605503131), we get a palindrome (7918558197).

The spelling of 1313055066 in words is "one billion, three hundred thirteen million, fifty-five thousand, sixty-six".