13436581603194 has 48 divisors (see below), whose sum is σ = 29617558948224. Its totient is φ = 4401579218400.

The previous prime is 13436581603127. The next prime is 13436581603253. The reversal of 13436581603194 is 49130618563431.

13436581603194 is a `hidden beast` number, since 1 + 3 + 4 + 365 + 8 + 160 + 31 + 94 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13436581603194.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16505689 + ... + 17300604.

It is an arithmetic number, because the mean of its divisors is an integer number (617032478088).

Almost surely, 2^{13436581603194} is an apocalyptic number.

13436581603194 is an abundant number, since it is smaller than the sum of its proper divisors (16180977345030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13436581603194 is a wasteful number, since it uses less digits than its factorization.

13436581603194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33806683 (or 33806680 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 13436581603194 in words is "thirteen trillion, four hundred thirty-six billion, five hundred eighty-one million, six hundred three thousand, one hundred ninety-four".