136517 has 4 divisors (see below), whose sum is σ = 137376. Its totient is φ = 135660.

The previous prime is 136511. The next prime is 136519. The reversal of 136517 is 715631.

136517 is nontrivially palindromic in base 13 and base 14.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 715631 = 7 ⋅102233.

It is a cyclic number.

It is not a de Polignac number, because 136517 - 2⁴ = 136501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136492 and 136501.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136517.

It is not an unprimeable number, because it can be changed into a prime (136511) 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, 113 + ... + 534.

It is an arithmetic number, because the mean of its divisors is an integer number (34344).

2¹³⁶⁵¹⁷ is an apocalyptic number.

It is an amenable number.

136517 is a deficient number, since it is larger than the sum of its proper divisors (859).

136517 is an equidigital number, since it uses as much as digits as its factorization.

136517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858.

The product of its digits is 630, while the sum is 23.

The square root of 136517 is about 369.4820699303. The cubic root of 136517 is about 51.4907137559.

The spelling of 136517 in words is "one hundred thirty-six thousand, five hundred seventeen".