843536720132 has 48 divisors (see below), whose sum is σ = 1531187750400. Its totient is φ = 406133481600.

The previous prime is 843536720129. The next prime is 843536720149. The reversal of 843536720132 is 231027635348.

It is a happy number.

It is a super-2 number, since 2×843536720132² (a number of 25 digits) contains 22 as substring.

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, 165364382 + ... + 165369482.

It is an arithmetic number, because the mean of its divisors is an integer number (31899744800).

Almost surely, 2^843536720132 is an apocalyptic number.

It is an amenable number.

843536720132 is a deficient number, since it is larger than the sum of its proper divisors (687651030268).

843536720132 is a wasteful number, since it uses less digits than its factorization.

843536720132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8676 (or 8674 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 843536720132 in words is "eight hundred forty-three billion, five hundred thirty-six million, seven hundred twenty thousand, one hundred thirty-two".