1313066965 has 24 divisors (see below), whose sum is σ = 1871949312. Its totient is φ = 881223840.

The previous prime is 1313066947. The next prime is 1313067001. The reversal of 1313066965 is 5696603131.

It is not a de Polignac number, because 1313066965 - 2⁵ = 1313066933 is a prime.

It is a super-2 number, since 2×1313066965² = 3448289709148622450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45501 + ... + 68530.

It is an arithmetic number, because the mean of its divisors is an integer number (77997888).

Almost surely, 2^1313066965 is an apocalyptic number.

It is an amenable number.

1313066965 is a deficient number, since it is larger than the sum of its proper divisors (558882347).

1313066965 is a wasteful number, since it uses less digits than its factorization.

1313066965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114097 (or 114090 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 1313066965 is about 36236.2658810204. The cubic root of 1313066965 is about 1095.0374152336.

The spelling of 1313066965 in words is "one billion, three hundred thirteen million, sixty-six thousand, nine hundred sixty-five".