1313054965 has 8 divisors (see below), whose sum is σ = 1576935000. Its totient is φ = 1049597952.

The previous prime is 1313054929. The next prime is 1313054969. The reversal of 1313054965 is 5694503131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 224676 + 1312830289 = 474^2 + 36233^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313054965 - 2¹³ = 1313046773 is a prime.

It is a super-2 number, since 2×1313054965² = 3448226682222302450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313054969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98884 + ... + 111373.

It is an arithmetic number, because the mean of its divisors is an integer number (197116875).

Almost surely, 2^1313054965 is an apocalyptic number.

It is an amenable number.

1313054965 is a deficient number, since it is larger than the sum of its proper divisors (263880035).

1313054965 is a wasteful number, since it uses less digits than its factorization.

1313054965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211511.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 1313054965 is about 36236.1003006670. The cubic root of 1313054965 is about 1095.0340794075.

The spelling of 1313054965 in words is "one billion, three hundred thirteen million, fifty-four thousand, nine hundred sixty-five".