136317 has 4 divisors (see below), whose sum is σ = 181760. Its totient is φ = 90876.

The previous prime is 136309. The next prime is 136319. The reversal of 136317 is 713631.

136317 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: 713631 = 3 ⋅237877.

It is not a de Polignac number, because 136317 - 2³ = 136309 is a prime.

It is a super-4 number, since 4×136317⁴ (a number of 22 digits) contains 4444 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136293 and 136302.

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 136317.

It is not an unprimeable number, because it can be changed into a prime (136319) 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, 22717 + ... + 22722.

It is an arithmetic number, because the mean of its divisors is an integer number (45440).

2¹³⁶³¹⁷ is an apocalyptic number.

It is an amenable number.

136317 is a deficient number, since it is larger than the sum of its proper divisors (45443).

136317 is an equidigital number, since it uses as much as digits as its factorization.

136317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45442.

The product of its digits is 378, while the sum is 21.

The square root of 136317 is about 369.2113216032. The cubic root of 136317 is about 51.4655565085.

Adding to 136317 its reverse (713631), we get a palindrome (849948).

The spelling of 136317 in words is "one hundred thirty-six thousand, three hundred seventeen".