839064400135 has 32 divisors (see below), whose sum is σ = 1096430090112. Its totient is φ = 612712857600.

The previous prime is 839064400127. The next prime is 839064400147. The reversal of 839064400135 is 531004460938.

It is not a de Polignac number, because 839064400135 - 2³ = 839064400127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 839064400091 and 839064400100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7516902 + ... + 7627708.

It is an arithmetic number, because the mean of its divisors is an integer number (34263440316).

Almost surely, 2^839064400135 is an apocalyptic number.

839064400135 is a deficient number, since it is larger than the sum of its proper divisors (257365689977).

839064400135 is a wasteful number, since it uses less digits than its factorization.

839064400135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112123.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 839064400135 in words is "eight hundred thirty-nine billion, sixty-four million, four hundred thousand, one hundred thirty-five".