134605 has 4 divisors (see below), whose sum is σ = 161532. Its totient is φ = 107680.

The previous prime is 134597. The next prime is 134609. The reversal of 134605 is 506431.

134605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 506431 = 107 ⋅4733.

It can be written as a sum of positive squares in 2 ways, for example, as 104329 + 30276 = 323^2 + 174^2 .

It is not a de Polignac number, because 134605 - 2³ = 134597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13456 + ... + 13465.

It is an arithmetic number, because the mean of its divisors is an integer number (40383).

2¹³⁴⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

134605 is a deficient number, since it is larger than the sum of its proper divisors (26927).

134605 is an equidigital number, since it uses as much as digits as its factorization.

134605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26926.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 134605 is about 366.8855407344. The cubic root of 134605 is about 51.2491968940.

The spelling of 134605 in words is "one hundred thirty-four thousand, six hundred five".