2135811184 has 120 divisors (see below), whose sum is σ = 4803442560. Its totient is φ = 916291584.

The previous prime is 2135811179. The next prime is 2135811203. The reversal of 2135811184 is 4811185312.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4458657 + ... + 4459135.

It is an arithmetic number, because the mean of its divisors is an integer number (40028688).

Almost surely, 2^2135811184 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 2135811184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2401721280).

2135811184 is an abundant number, since it is smaller than the sum of its proper divisors (2667631376).

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

2135811184 is a wasteful number, since it uses less digits than its factorization.

2135811184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 608 counting only the distinct ones).

The product of its digits is 7680, while the sum is 34.

The square root of 2135811184 is about 46214.8372711622. The cubic root of 2135811184 is about 1287.8173904918.

Adding to 2135811184 its reverse (4811185312), we get a palindrome (6946996496).

The spelling of 2135811184 in words is "two billion, one hundred thirty-five million, eight hundred eleven thousand, one hundred eighty-four".