2135960 has 32 divisors (see below), whose sum is σ = 4883760. Its totient is φ = 840576.

The previous prime is 2135957. The next prime is 2135971. The reversal of 2135960 is 695312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2282 + ... + 3078.

2^2135960 is an apocalyptic number.

2135960 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 2135960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2441880).

2135960 is an abundant number, since it is smaller than the sum of its proper divisors (2747800).

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

2135960 is a wasteful number, since it uses less digits than its factorization.

2135960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 2135960 is about 1461.4923879378. The cubic root of 2135960 is about 128.7847300031.

The spelling of 2135960 in words is "two million, one hundred thirty-five thousand, nine hundred sixty".