1313713636 has 12 divisors (see below), whose sum is σ = 2355072300. Its totient is φ = 640835840.

The previous prime is 1313713613. The next prime is 1313713663. The reversal of 1313713636 is 6363173131.

It can be written as a sum of positive squares in 2 ways, for example, as 254211136 + 1059502500 = 15944^2 + 32550^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4005061 + ... + 4005388.

It is an arithmetic number, because the mean of its divisors is an integer number (196256025).

Almost surely, 2^1313713636 is an apocalyptic number.

It is an amenable number.

1313713636 is a deficient number, since it is larger than the sum of its proper divisors (1041358664).

1313713636 is a wasteful number, since it uses less digits than its factorization.

1313713636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8010494 (or 8010492 counting only the distinct ones).

The product of its digits is 20412, while the sum is 34.

The square root of 1313713636 is about 36245.1877633431. The cubic root of 1313713636 is about 1095.2171503480.

Adding to 1313713636 its reverse (6363173131), we get a palindrome (7676886767).

The spelling of 1313713636 in words is "one billion, three hundred thirteen million, seven hundred thirteen thousand, six hundred thirty-six".