134565 has 8 divisors (see below), whose sum is σ = 215328. Its totient is φ = 71760.

The previous prime is 134513. The next prime is 134581. The reversal of 134565 is 565431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134565 - 2⁷ = 134437 is a prime.

It is a Curzon number.

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, 4471 + ... + 4500.

It is an arithmetic number, because the mean of its divisors is an integer number (26916).

2¹³⁴⁵⁶⁵ is an apocalyptic number.

134565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134565 is a deficient number, since it is larger than the sum of its proper divisors (80763).

134565 is an equidigital number, since it uses as much as digits as its factorization.

134565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8979.

The product of its digits is 1800, while the sum is 24.

The square root of 134565 is about 366.8310237698. The cubic root of 134565 is about 51.2441198885.

Adding to 134565 its reverse (565431), we get a palindrome (699996).

The spelling of 134565 in words is "one hundred thirty-four thousand, five hundred sixty-five".