2143132140 has 48 divisors (see below), whose sum is σ = 6003728640. Its totient is φ = 571220160.

The previous prime is 2143132139. The next prime is 2143132213. The reversal of 2143132140 is 412313412.

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, 132705 + ... + 147975.

It is an arithmetic number, because the mean of its divisors is an integer number (125077680).

Almost surely, 2^2143132140 is an apocalyptic number.

2143132140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143132140 is an abundant number, since it is smaller than the sum of its proper divisors (3860596500).

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

2143132140 is a wasteful number, since it uses less digits than its factorization.

2143132140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17622 (or 17620 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2143132140 is about 46293.9752019634. The cubic root of 2143132140 is about 1289.2871369369.

Adding to 2143132140 its reverse (412313412), we get a palindrome (2555445552).

The spelling of 2143132140 in words is "two billion, one hundred forty-three million, one hundred thirty-two thousand, one hundred forty".