13134568136 has 32 divisors (see below), whose sum is σ = 25462755000. Its totient is φ = 6346884096.

The previous prime is 13134568127. The next prime is 13134568189. The reversal of 13134568136 is 63186543131.

It can be written as a sum of positive squares in 4 ways, for example, as 13111624036 + 22944100 = 114506^2 + 4790^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13134568093 and 13134568102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104801 + ... + 193008.

Almost surely, 2^13134568136 is an apocalyptic number.

It is an amenable number.

13134568136 is a deficient number, since it is larger than the sum of its proper divisors (12328186864).

13134568136 is a wasteful number, since it uses less digits than its factorization.

13134568136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298001 (or 297997 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The spelling of 13134568136 in words is "thirteen billion, one hundred thirty-four million, five hundred sixty-eight thousand, one hundred thirty-six".