2335985139 has 4 divisors (see below), whose sum is σ = 3114646856. Its totient is φ = 1557323424.

The previous prime is 2335985131. The next prime is 2335985143. The reversal of 2335985139 is 9315895332.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2335985139 - 2³ = 2335985131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2335985131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389330854 + ... + 389330859.

It is an arithmetic number, because the mean of its divisors is an integer number (778661714).

Almost surely, 2^2335985139 is an apocalyptic number.

2335985139 is a deficient number, since it is larger than the sum of its proper divisors (778661717).

2335985139 is an equidigital number, since it uses as much as digits as its factorization.

2335985139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778661716.

The product of its digits is 874800, while the sum is 48.

The square root of 2335985139 is about 48332.0301559949. The cubic root of 2335985139 is about 1326.8546736647.

The spelling of 2335985139 in words is "two billion, three hundred thirty-five million, nine hundred eighty-five thousand, one hundred thirty-nine".