805134 has 24 divisors (see below), whose sum is σ = 1771560. Its totient is φ = 243760.

The previous prime is 805121. The next prime is 805153. The reversal of 805134 is 431508.

It is a self number, because there is not a number n which added to its sum of digits gives 805134.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 805134.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172 + ... + 1280.

It is an arithmetic number, because the mean of its divisors is an integer number (73815).

2⁸⁰⁵¹³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (885780).

805134 is an abundant number, since it is smaller than the sum of its proper divisors (966426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

805134 is a wasteful number, since it uses less digits than its factorization.

805134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 805134 is about 897.2925944195. The cubic root of 805134 is about 93.0299360212.

It can be divided in two parts, 805 and 134, that added together give a palindrome (939).

The spelling of 805134 in words is "eight hundred five thousand, one hundred thirty-four".