134549 has 4 divisors (see below), whose sum is σ = 135564. Its totient is φ = 133536.

The previous prime is 134513. The next prime is 134581. The reversal of 134549 is 945431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 87025 + 47524 = 295^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 134549 - 2⁸ = 134293 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104549) 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, 272 + ... + 585.

It is an arithmetic number, because the mean of its divisors is an integer number (33891).

134549 is a Friedman number, since it can be written as 93+14^5/4, using all its digits and the basic arithmetic operations.

2¹³⁴⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

134549 is a deficient number, since it is larger than the sum of its proper divisors (1015).

134549 is an equidigital number, since it uses as much as digits as its factorization.

134549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014.

The product of its digits is 2160, while the sum is 26.

The square root of 134549 is about 366.8092147152. The cubic root of 134549 is about 51.2420888046.

The spelling of 134549 in words is "one hundred thirty-four thousand, five hundred forty-nine".