2136880 has 20 divisors (see below), whose sum is σ = 4968432. Its totient is φ = 854720.

The previous prime is 2136877. The next prime is 2136889. The reversal of 2136880 is 886312.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×2136880² = 9132512268800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2136889) 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, 13276 + ... + 13435.

2^2136880 is an apocalyptic number.

2136880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2136880 is an abundant number, since it is smaller than the sum of its proper divisors (2831552).

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

2136880 is a wasteful number, since it uses less digits than its factorization.

2136880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26724 (or 26718 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2136880 is about 1461.8071008173. The cubic root of 2136880 is about 128.8032173881.

The spelling of 2136880 in words is "two million, one hundred thirty-six thousand, eight hundred eighty".