2140903187 has 8 divisors (see below), whose sum is σ = 2173003200. Its totient is φ = 2109027304.

The previous prime is 2140903151. The next prime is 2140903231. The reversal of 2140903187 is 7813090412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2140903187 - 2¹⁰ = 2140902163 is a prime.

It is a super-2 number, since 2×2140903187² = 9166932912213513938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140900187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36737 + ... + 75042.

It is an arithmetic number, because the mean of its divisors is an integer number (271625400).

Almost surely, 2^2140903187 is an apocalyptic number.

2140903187 is a deficient number, since it is larger than the sum of its proper divisors (32100013).

2140903187 is a wasteful number, since it uses less digits than its factorization.

2140903187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112065.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2140903187 is about 46269.8950398637. The cubic root of 2140903187 is about 1288.8400098506.

Adding to 2140903187 its reverse (7813090412), we get a palindrome (9953993599).

The spelling of 2140903187 in words is "two billion, one hundred forty million, nine hundred three thousand, one hundred eighty-seven".