10513252136 has 8 divisors (see below), whose sum is σ = 19712347770. Its totient is φ = 5256626064.

The previous prime is 10513252129. The next prime is 10513252207. The reversal of 10513252136 is 63125231501.

It can be written as a sum of positive squares in only one way, i.e., 7206312100 + 3306940036 = 84890^2 + 57506^2 .

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

It is a super-2 number, since 2×10513252136² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10513252099 and 10513252108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657078251 + ... + 657078266.

Almost surely, 2^10513252136 is an apocalyptic number.

It is an amenable number.

10513252136 is a deficient number, since it is larger than the sum of its proper divisors (9199095634).

10513252136 is a wasteful number, since it uses less digits than its factorization.

10513252136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314156523 (or 1314156519 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 10513252136 its reverse (63125231501), we get a palindrome (73638483637).

The spelling of 10513252136 in words is "ten billion, five hundred thirteen million, two hundred fifty-two thousand, one hundred thirty-six".