1313465045 has 4 divisors (see below), whose sum is σ = 1576158060. Its totient is φ = 1050772032.

The previous prime is 1313465039. The next prime is 1313465059. The reversal of 1313465045 is 5405643131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1017418609 + 296046436 = 31897^2 + 17206^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313465045 - 2¹⁸ = 1313202901 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131346500 + ... + 131346509.

It is an arithmetic number, because the mean of its divisors is an integer number (394039515).

Almost surely, 2^1313465045 is an apocalyptic number.

It is an amenable number.

1313465045 is a deficient number, since it is larger than the sum of its proper divisors (262693015).

1313465045 is an equidigital number, since it uses as much as digits as its factorization.

1313465045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262693014.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1313465045 is about 36241.7583044752. The cubic root of 1313465045 is about 1095.1480641854.

The spelling of 1313465045 in words is "one billion, three hundred thirteen million, four hundred sixty-five thousand, forty-five".