1313436136 has 8 divisors (see below), whose sum is σ = 2462692770. Its totient is φ = 656718064.

The previous prime is 1313436127. The next prime is 1313436143. The reversal of 1313436136 is 6316343131.

It can be written as a sum of positive squares in only one way, i.e., 1024640100 + 288796036 = 32010^2 + 16994^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1313436136² = 3450228966701220992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313436098 and 1313436107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82089751 + ... + 82089766.

Almost surely, 2^1313436136 is an apocalyptic number.

It is an amenable number.

1313436136 is a deficient number, since it is larger than the sum of its proper divisors (1149256634).

1313436136 is a wasteful number, since it uses less digits than its factorization.

1313436136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164179523 (or 164179519 counting only the distinct ones).

The product of its digits is 11664, while the sum is 31.

The square root of 1313436136 is about 36241.3594667750. The cubic root of 1313436136 is about 1095.1400294918.

Adding to 1313436136 its reverse (6316343131), we get a palindrome (7629779267).

The spelling of 1313436136 in words is "one billion, three hundred thirteen million, four hundred thirty-six thousand, one hundred thirty-six".