2140110197 has 4 divisors (see below), whose sum is σ = 2141841516. Its totient is φ = 2138378880.

The previous prime is 2140110191. The next prime is 2140110211. The reversal of 2140110197 is 7910110412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 909082801 + 1231027396 = 30151^2 + 35086^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140110197 - 2¹⁰ = 2140109173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140110191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863804 + ... + 866277.

It is an arithmetic number, because the mean of its divisors is an integer number (535460379).

Almost surely, 2^2140110197 is an apocalyptic number.

It is an amenable number.

2140110197 is a deficient number, since it is larger than the sum of its proper divisors (1731319).

2140110197 is a wasteful number, since it uses less digits than its factorization.

2140110197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731318.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 2140110197 is about 46261.3250674902. The cubic root of 2140110197 is about 1288.6808615281.

The spelling of 2140110197 in words is "two billion, one hundred forty million, one hundred ten thousand, one hundred ninety-seven".