2190141 has 12 divisors (see below), whose sum is σ = 3249532. Its totient is φ = 1420416.

The previous prime is 2190131. The next prime is 2190143. The reversal of 2190141 is 1410912.

It can be written as a sum of positive squares in 2 ways, for example, as 2090916 + 99225 = 1446^2 + 315^2 .

It is not a de Polignac number, because 2190141 - 2⁶ = 2190077 is a prime.

It is a Duffinian number.

It is a Curzon number.

2190141 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2956 + ... + 3621.

2^2190141 is an apocalyptic number.

It is an amenable number.

2190141 is a deficient number, since it is larger than the sum of its proper divisors (1059391).

2190141 is a wasteful number, since it uses less digits than its factorization.

2190141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6620 (or 6617 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 2190141 is about 1479.9124974133. The cubic root of 2190141 is about 129.8645729723.

The spelling of 2190141 in words is "two million, one hundred ninety thousand, one hundred forty-one".