840032132 has 12 divisors (see below), whose sum is σ = 1472982336. Its totient is φ = 419180040.

The previous prime is 840032119. The next prime is 840032173. The reversal of 840032132 is 231230048.

It is a junction number, because it is equal to n+sod(n) for n = 840032098 and 840032107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206744 + ... + 210767.

It is an arithmetic number, because the mean of its divisors is an integer number (122748528).

Almost surely, 2^840032132 is an apocalyptic number.

It is an amenable number.

840032132 is a deficient number, since it is larger than the sum of its proper divisors (632950204).

840032132 is a wasteful number, since it uses less digits than its factorization.

840032132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418018 (or 418016 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 840032132 is about 28983.3078167417. The cubic root of 840032132 is about 943.5508267784.

The spelling of 840032132 in words is "eight hundred forty million, thirty-two thousand, one hundred thirty-two".