134205 has 16 divisors (see below), whose sum is σ = 224640. Its totient is φ = 68288.

The previous prime is 134191. The next prime is 134207. The reversal of 134205 is 502431.

It is a cyclic number.

It is not a de Polignac number, because 134205 - 2⁷ = 134077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a d-powerful number, because it can be written as 1 + 3 + 2¹⁷ + 4 + 0 + 5⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151 + ... + 539.

It is an arithmetic number, because the mean of its divisors is an integer number (14040).

2¹³⁴²⁰⁵ is an apocalyptic number.

134205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134205 is a deficient number, since it is larger than the sum of its proper divisors (90435).

134205 is a wasteful number, since it uses less digits than its factorization.

134205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 134205 is about 366.3400060054. The cubic root of 134205 is about 51.1983814999.

Adding to 134205 its reverse (502431), we get a palindrome (636636).

The spelling of 134205 in words is "one hundred thirty-four thousand, two hundred five".