13508185036 has 24 divisors (see below), whose sum is σ = 24764040000. Its totient is φ = 6438641664.

The previous prime is 13508185013. The next prime is 13508185037. The reversal of 13508185036 is 63058180531.

It is a self number, because there is not a number n which added to its sum of digits gives 13508185036.

It is not an unprimeable number, because it can be changed into a prime (13508185037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727861 + ... + 746188.

It is an arithmetic number, because the mean of its divisors is an integer number (1031835000).

Almost surely, 2^13508185036 is an apocalyptic number.

It is an amenable number.

13508185036 is a deficient number, since it is larger than the sum of its proper divisors (11255854964).

13508185036 is a wasteful number, since it uses less digits than its factorization.

13508185036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474161 (or 1474159 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 13508185036 in words is "thirteen billion, five hundred eight million, one hundred eighty-five thousand, thirty-six".