809036134 has 16 divisors (see below), whose sum is σ = 1218986496. Its totient is φ = 402712200.

The previous prime is 809036119. The next prime is 809036141. The reversal of 809036134 is 431630908.

It is a super-2 number, since 2×809036134² = 1309078932235331912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 809036134.

It is a congruent number.

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, 626029 + ... + 627319.

It is an arithmetic number, because the mean of its divisors is an integer number (76186656).

Almost surely, 2^809036134 is an apocalyptic number.

809036134 is a deficient number, since it is larger than the sum of its proper divisors (409950362).

809036134 is a wasteful number, since it uses less digits than its factorization.

809036134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 809036134 is about 28443.5605014562. The cubic root of 809036134 is about 931.7998574022.

The spelling of 809036134 in words is "eight hundred nine million, thirty-six thousand, one hundred thirty-four".