1365356513 has 12 divisors (see below), whose sum is σ = 1463266380. Its totient is φ = 1273638912.

The previous prime is 1365356501. The next prime is 1365356519. The reversal of 1365356513 is 3156535631.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 23746129 + 1341610384 = 4873^2 + 36628^2 .

It is not a de Polignac number, because 1365356513 - 2⁸ = 1365356257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1365356519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11753 + ... + 53561.

It is an arithmetic number, because the mean of its divisors is an integer number (121938865).

Almost surely, 2^1365356513 is an apocalyptic number.

It is an amenable number.

1365356513 is a deficient number, since it is larger than the sum of its proper divisors (97909867).

1365356513 is a wasteful number, since it uses less digits than its factorization.

1365356513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41956 (or 41939 counting only the distinct ones).

The product of its digits is 121500, while the sum is 38.

The square root of 1365356513 is about 36950.7308858702. The cubic root of 1365356513 is about 1109.3843170049.

The spelling of 1365356513 in words is "one billion, three hundred sixty-five million, three hundred fifty-six thousand, five hundred thirteen".