134705 has 8 divisors (see below), whose sum is σ = 167400. Its totient is φ = 103936.

The previous prime is 134699. The next prime is 134707. The reversal of 134705 is 507431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16 + 134689 = 4^2 + 367^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-134705 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134707) 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 7 ways as a sum of consecutive naturals, for example, 320 + ... + 609.

It is an arithmetic number, because the mean of its divisors is an integer number (20925).

2¹³⁴⁷⁰⁵ is an apocalyptic number.

It is an amenable number.

134705 is a deficient number, since it is larger than the sum of its proper divisors (32695).

134705 is an equidigital number, since it uses as much as digits as its factorization.

134705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 134705 is about 367.0217977178. The cubic root of 134705 is about 51.2618850088.

The spelling of 134705 in words is "one hundred thirty-four thousand, seven hundred five".