809036132 has 12 divisors (see below), whose sum is σ = 1477370496. Its totient is φ = 386930280.

The previous prime is 809036119. The next prime is 809036141. The reversal of 809036132 is 231630908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4396844 + ... + 4397027.

It is an arithmetic number, because the mean of its divisors is an integer number (123114208).

Almost surely, 2^809036132 is an apocalyptic number.

It is an amenable number.

809036132 is a deficient number, since it is larger than the sum of its proper divisors (668334364).

809036132 is a wasteful number, since it uses less digits than its factorization.

809036132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8793898 (or 8793896 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 809036132 is about 28443.5604662989. The cubic root of 809036132 is about 931.7998566344.

The spelling of 809036132 in words is "eight hundred nine million, thirty-six thousand, one hundred thirty-two".