2132643236 has 24 divisors (see below), whose sum is σ = 3859806720. Its totient is φ = 1030416192.

The previous prime is 2132643229. The next prime is 2132643287. The reversal of 2132643236 is 6323462312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56945 + ... + 86648.

It is an arithmetic number, because the mean of its divisors is an integer number (160825280).

Almost surely, 2^2132643236 is an apocalyptic number.

It is an amenable number.

2132643236 is a deficient number, since it is larger than the sum of its proper divisors (1727163484).

2132643236 is a wasteful number, since it uses less digits than its factorization.

2132643236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143723 (or 143721 counting only the distinct ones).

The product of its digits is 31104, while the sum is 32.

The square root of 2132643236 is about 46180.5504081534. The cubic root of 2132643236 is about 1287.1803558270.

The spelling of 2132643236 in words is "two billion, one hundred thirty-two million, six hundred forty-three thousand, two hundred thirty-six".