12389435135 has 24 divisors (see below), whose sum is σ = 18866884176. Its totient is φ = 7723282560.

The previous prime is 12389435087. The next prime is 12389435189. The reversal of 12389435135 is 53153498321.

It is not a de Polignac number, because 12389435135 - 2¹⁰ = 12389434111 is a prime.

It is a congruent number.

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, 2295902 + ... + 2301291.

It is an arithmetic number, because the mean of its divisors is an integer number (786120174).

Almost surely, 2^12389435135 is an apocalyptic number.

12389435135 is a deficient number, since it is larger than the sum of its proper divisors (6477449041).

12389435135 is a wasteful number, since it uses less digits than its factorization.

12389435135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4597223 (or 4597216 counting only the distinct ones).

The product of its digits is 388800, while the sum is 44.

The spelling of 12389435135 in words is "twelve billion, three hundred eighty-nine million, four hundred thirty-five thousand, one hundred thirty-five".