13436005887028 has 48 divisors (see below), whose sum is σ = 24215534078400. Its totient is φ = 6523074502560.

The previous prime is 13436005886993. The next prime is 13436005887047. The reversal of 13436005887028 is 82078850063431.

It is a self number, because there is not a number n which added to its sum of digits gives 13436005887028.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99414963 + ... + 99550021.

It is an arithmetic number, because the mean of its divisors is an integer number (504490293300).

Almost surely, 2^{13436005887028} is an apocalyptic number.

It is an amenable number.

13436005887028 is a deficient number, since it is larger than the sum of its proper divisors (10779528191372).

13436005887028 is an equidigital number, since it uses as much as digits as its factorization.

13436005887028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135665 (or 135589 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 13436005887028 in words is "thirteen trillion, four hundred thirty-six billion, five million, eight hundred eighty-seven thousand, twenty-eight".