2136906 has 12 divisors (see below), whose sum is σ = 4630002. Its totient is φ = 712296.

The previous prime is 2136889. The next prime is 2136913. The reversal of 2136906 is 6096312.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2117025 + 19881 = 1455^2 + 141^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2136906.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59341 + ... + 59376.

2^2136906 is an apocalyptic number.

2136906 is an abundant number, since it is smaller than the sum of its proper divisors (2493096).

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

2136906 is a wasteful number, since it uses less digits than its factorization.

2136906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118725 (or 118722 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2136906 is about 1461.8159938925. The cubic root of 2136906 is about 128.8037397806.

The spelling of 2136906 in words is "two million, one hundred thirty-six thousand, nine hundred six".