2135320880 has 120 divisors (see below), whose sum is σ = 6236746656. Its totient is φ = 665533440.

The previous prime is 2135320879. The next prime is 2135320903. The reversal of 2135320880 is 880235312.

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, 52004 + ... + 83516.

Almost surely, 2^2135320880 is an apocalyptic number.

2135320880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2135320880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3118373328).

2135320880 is an abundant number, since it is smaller than the sum of its proper divisors (4101425776).

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

2135320880 is a wasteful number, since it uses less digits than its factorization.

2135320880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31555 (or 31538 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2135320880 is about 46209.5323499384. The cubic root of 2135320880 is about 1287.7188377193.

The spelling of 2135320880 in words is "two billion, one hundred thirty-five million, three hundred twenty thousand, eight hundred eighty".