2140188 has 12 divisors (see below), whose sum is σ = 4993800. Its totient is φ = 713392.

The previous prime is 2140169. The next prime is 2140199. The reversal of 2140188 is 8810412.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89163 + ... + 89186.

It is an arithmetic number, because the mean of its divisors is an integer number (416150).

2^2140188 is an apocalyptic number.

It is an amenable number.

2140188 is an abundant number, since it is smaller than the sum of its proper divisors (2853612).

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

2140188 is a wasteful number, since it uses less digits than its factorization.

2140188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178356 (or 178354 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 2140188 is about 1462.9381394987. The cubic root of 2140188 is about 128.8696477861.

The spelling of 2140188 in words is "two million, one hundred forty thousand, one hundred eighty-eight".