2136868 has 12 divisors (see below), whose sum is σ = 3749760. Its totient is φ = 1065512.

The previous prime is 2136863. The next prime is 2136877. The reversal of 2136868 is 8686312.

It is not an unprimeable number, because it can be changed into a prime (2136863) 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, 2505 + ... + 3247.

It is an arithmetic number, because the mean of its divisors is an integer number (312480).

2^2136868 is an apocalyptic number.

It is an amenable number.

2136868 is a deficient number, since it is larger than the sum of its proper divisors (1612892).

2136868 is a wasteful number, since it uses less digits than its factorization.

2136868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466 (or 1464 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 2136868 is about 1461.8029963029. The cubic root of 2136868 is about 128.8029762824.

The spelling of 2136868 in words is "two million, one hundred thirty-six thousand, eight hundred sixty-eight".