13287398135 has 32 divisors (see below), whose sum is σ = 18500493312. Its totient is φ = 9054190080.

The previous prime is 13287398129. The next prime is 13287398143. The reversal of 13287398135 is 53189378231.

It is not a de Polignac number, because 13287398135 - 2⁴ = 13287398119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176642 + ... + 240368.

It is an arithmetic number, because the mean of its divisors is an integer number (578140416).

Almost surely, 2^13287398135 is an apocalyptic number.

13287398135 is a deficient number, since it is larger than the sum of its proper divisors (5213095177).

13287398135 is a wasteful number, since it uses less digits than its factorization.

13287398135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63983.

The product of its digits is 1088640, while the sum is 50.

The spelling of 13287398135 in words is "thirteen billion, two hundred eighty-seven million, three hundred ninety-eight thousand, one hundred thirty-five".