85134 has 16 divisors (see below), whose sum is σ = 194688. Its totient is φ = 24312.

The previous prime is 85133. The next prime is 85147. The reversal of 85134 is 43158.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 85134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972 + ... + 1055.

It is an arithmetic number, because the mean of its divisors is an integer number (12168).

2⁸⁵¹³⁴ is an apocalyptic number.

85134 is an abundant number, since it is smaller than the sum of its proper divisors (109554).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97344).

85134 is a wasteful number, since it uses less digits than its factorization.

85134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039.

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

The square root of 85134 is about 291.7773123462. Note that the first 3 decimals coincide. The cubic root of 85134 is about 43.9913894997.

The spelling of 85134 in words is "eighty-five thousand, one hundred thirty-four".