1313454565 has 16 divisors (see below), whose sum is σ = 1621857600. Its totient is φ = 1020563712.

The previous prime is 1313454563. The next prime is 1313454581. The reversal of 1313454565 is 5654543131.

It is a cyclic number.

It is not a de Polignac number, because 1313454565 - 2¹ = 1313454563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313454563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21421 + ... + 55549.

It is an arithmetic number, because the mean of its divisors is an integer number (101366100).

Almost surely, 2^1313454565 is an apocalyptic number.

It is an amenable number.

1313454565 is a deficient number, since it is larger than the sum of its proper divisors (308403035).

1313454565 is a wasteful number, since it uses less digits than its factorization.

1313454565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34356.

The product of its digits is 108000, while the sum is 37.

The square root of 1313454565 is about 36241.6137195904. The cubic root of 1313454565 is about 1095.1451514871.

Adding to 1313454565 its reverse (5654543131), we get a palindrome (6967997696).

The spelling of 1313454565 in words is "one billion, three hundred thirteen million, four hundred fifty-four thousand, five hundred sixty-five".