13543105636 has 6 divisors (see below), whose sum is σ = 23700434870. Its totient is φ = 6771552816.

The previous prime is 13543105633. The next prime is 13543105711. The reversal of 13543105636 is 63650134531.

It is a happy number.

13543105636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12087683136 + 1455422500 = 109944^2 + 38150^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13543105595 and 13543105604.

It is not an unprimeable number, because it can be changed into a prime (13543105633) by changing a digit.

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 as a sum of consecutive naturals, namely, 1692888201 + ... + 1692888208.

Almost surely, 2^13543105636 is an apocalyptic number.

It is an amenable number.

13543105636 is a deficient number, since it is larger than the sum of its proper divisors (10157329234).

13543105636 is a wasteful number, since it uses less digits than its factorization.

13543105636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385776413 (or 3385776411 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 13543105636 in words is "thirteen billion, five hundred forty-three million, one hundred five thousand, six hundred thirty-six".