134173 has 4 divisors (see below), whose sum is σ = 144508. Its totient is φ = 123840.

The previous prime is 134171. The next prime is 134177. The reversal of 134173 is 371431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45369 + 88804 = 213^2 + 298^2 .

It is a cyclic number.

It is not a de Polignac number, because 134173 - 2¹ = 134171 is a prime.

134173 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 134173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5148 + ... + 5173.

It is an arithmetic number, because the mean of its divisors is an integer number (36127).

2¹³⁴¹⁷³ is an apocalyptic number.

134173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

134173 is a deficient number, since it is larger than the sum of its proper divisors (10335).

134173 is a wasteful number, since it uses less digits than its factorization.

134173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10334.

The product of its digits is 252, while the sum is 19.

The square root of 134173 is about 366.2963281279. The cubic root of 134173 is about 51.1943119088.

It can be divided in two parts, 13 and 4173, that added together give a triangular number (4186 = T₉₁).

The spelling of 134173 in words is "one hundred thirty-four thousand, one hundred seventy-three".