2143330140 has 96 divisors (see below), whose sum is σ = 6865334784. Its totient is φ = 489427200.

The previous prime is 2143330127. The next prime is 2143330181. The reversal of 2143330140 is 410333412.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 607662 + ... + 611178.

It is an arithmetic number, because the mean of its divisors is an integer number (71513904).

Almost surely, 2^2143330140 is an apocalyptic number.

2143330140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143330140 is an abundant number, since it is smaller than the sum of its proper divisors (4722004644).

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

2143330140 is a wasteful number, since it uses less digits than its factorization.

2143330140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4987 (or 4985 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2143330140 is about 46296.1136597879. The cubic root of 2143330140 is about 1289.3268406626.

Adding to 2143330140 its reverse (410333412), we get a palindrome (2553663552).

The spelling of 2143330140 in words is "two billion, one hundred forty-three million, three hundred thirty thousand, one hundred forty".