2135323404 has 96 divisors (see below), whose sum is σ = 5846883840. Its totient is φ = 672560064.

The previous prime is 2135323357. The next prime is 2135323423. The reversal of 2135323404 is 4043235312.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 200994 + ... + 211350.

It is an arithmetic number, because the mean of its divisors is an integer number (60905040).

Almost surely, 2^2135323404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2135323404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2923441920).

2135323404 is an abundant number, since it is smaller than the sum of its proper divisors (3711560436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2135323404 is a wasteful number, since it uses less digits than its factorization.

2135323404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10476 (or 10468 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2135323404 is about 46209.5596603127. The cubic root of 2135323404 is about 1287.7193450906.

Adding to 2135323404 its reverse (4043235312), we get a palindrome (6178558716).

The spelling of 2135323404 in words is "two billion, one hundred thirty-five million, three hundred twenty-three thousand, four hundred four".