2188136 has 8 divisors (see below), whose sum is σ = 4102770. Its totient is φ = 1094064.

The previous prime is 2188127. The next prime is 2188157. The reversal of 2188136 is 6318812.

It can be written as a sum of positive squares in only one way, i.e., 1932100 + 256036 = 1390^2 + 506^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2188099 and 2188108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136751 + ... + 136766.

2^2188136 is an apocalyptic number.

It is an amenable number.

2188136 is a deficient number, since it is larger than the sum of its proper divisors (1914634).

2188136 is a wasteful number, since it uses less digits than its factorization.

2188136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273523 (or 273519 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 2188136 is about 1479.2349373916. The cubic root of 2188136 is about 129.8249319987.

The spelling of 2188136 in words is "two million, one hundred eighty-eight thousand, one hundred thirty-six".