2135385239 has 16 divisors (see below), whose sum is σ = 2345828352. Its totient is φ = 1931918688.

The previous prime is 2135385233. The next prime is 2135385271. The reversal of 2135385239 is 9325835312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2135385239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2135385196 and 2135385205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135385233) by changing a digit.

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, 129242 + ... + 144824.

It is an arithmetic number, because the mean of its divisors is an integer number (146614272).

Almost surely, 2^2135385239 is an apocalyptic number.

2135385239 is a deficient number, since it is larger than the sum of its proper divisors (210443113).

2135385239 is a wasteful number, since it uses less digits than its factorization.

2135385239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15806.

The product of its digits is 194400, while the sum is 41.

The square root of 2135385239 is about 46210.2287269821. The cubic root of 2135385239 is about 1287.7317749575.

The spelling of 2135385239 in words is "two billion, one hundred thirty-five million, three hundred eighty-five thousand, two hundred thirty-nine".