134517 has 4 divisors (see below), whose sum is σ = 179360. Its totient is φ = 89676.

The previous prime is 134513. The next prime is 134581. The reversal of 134517 is 715431.

134517 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 715431 = 3 ⋅238477.

It is not a de Polignac number, because 134517 - 2² = 134513 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 134493 and 134502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134513) 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, 22417 + ... + 22422.

It is an arithmetic number, because the mean of its divisors is an integer number (44840).

2¹³⁴⁵¹⁷ is an apocalyptic number.

It is an amenable number.

134517 is a deficient number, since it is larger than the sum of its proper divisors (44843).

134517 is an equidigital number, since it uses as much as digits as its factorization.

134517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44842.

The product of its digits is 420, while the sum is 21.

The square root of 134517 is about 366.7655927156. The cubic root of 134517 is about 51.2380261537.

Adding to 134517 its reverse (715431), we get a palindrome (849948).

The spelling of 134517 in words is "one hundred thirty-four thousand, five hundred seventeen".