2141530140 has 48 divisors (see below), whose sum is σ = 6022507680. Its totient is φ = 568577280.

The previous prime is 2141530133. The next prime is 2141530199. The reversal of 2141530140 is 410351412.

2141530140 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64191 + ... + 91670.

It is an arithmetic number, because the mean of its divisors is an integer number (125468910).

Almost surely, 2^2141530140 is an apocalyptic number.

2141530140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2141530140 is an abundant number, since it is smaller than the sum of its proper divisors (3880977540).

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

2141530140 is a wasteful number, since it uses less digits than its factorization.

2141530140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156102 (or 156100 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2141530140 is about 46276.6694998679. The cubic root of 2141530140 is about 1288.9658077306.

Adding to 2141530140 its reverse (410351412), we get a palindrome (2551881552).

The spelling of 2141530140 in words is "two billion, one hundred forty-one million, five hundred thirty thousand, one hundred forty".