810008132 has 6 divisors (see below), whose sum is σ = 1417514238. Its totient is φ = 405004064.

The previous prime is 810008117. The next prime is 810008149. The reversal of 810008132 is 231800018.

It can be written as a sum of positive squares in only one way, i.e., 809743936 + 264196 = 28456^2 + 514^2 .

It is a super-2 number, since 2×810008132² = 1312226347812258848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 810008098 and 810008107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101251013 + ... + 101251020.

It is an arithmetic number, because the mean of its divisors is an integer number (236252373).

Almost surely, 2^810008132 is an apocalyptic number.

It is an amenable number.

810008132 is a deficient number, since it is larger than the sum of its proper divisors (607506106).

810008132 is a wasteful number, since it uses less digits than its factorization.

810008132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202502037 (or 202502035 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 810008132 is about 28460.6418058342. The cubic root of 810008132 is about 932.1728712837.

The spelling of 810008132 in words is "eight hundred ten million, eight thousand, one hundred thirty-two".