134543 has 4 divisors (see below), whose sum is σ = 136248. Its totient is φ = 132840.

The previous prime is 134513. The next prime is 134581. The reversal of 134543 is 345431.

134543 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.

It is a cyclic number.

It is not a de Polignac number, because 134543 - 2⁸ = 134287 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 (134503) 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, 728 + ... + 893.

It is an arithmetic number, because the mean of its divisors is an integer number (34062).

2¹³⁴⁵⁴³ is an apocalyptic number.

134543 is a deficient number, since it is larger than the sum of its proper divisors (1705).

134543 is an equidigital number, since it uses as much as digits as its factorization.

134543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704.

The product of its digits is 720, while the sum is 20.

The square root of 134543 is about 366.8010359855. The cubic root of 134543 is about 51.2413271067.

Adding to 134543 its reverse (345431), we get a palindrome (479974).

The spelling of 134543 in words is "one hundred thirty-four thousand, five hundred forty-three".