135308 has 6 divisors (see below), whose sum is σ = 236796. Its totient is φ = 67652.

The previous prime is 135301. The next prime is 135319. The reversal of 135308 is 803531.

It is a self number, because there is not a number n which added to its sum of digits gives 135308.

It is not an unprimeable number, because it can be changed into a prime (135301) by changing a digit.

135308 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16910 + ... + 16917.

It is an arithmetic number, because the mean of its divisors is an integer number (39466).

2¹³⁵³⁰⁸ is an apocalyptic number.

It is an amenable number.

135308 is a deficient number, since it is larger than the sum of its proper divisors (101488).

135308 is a wasteful number, since it uses less digits than its factorization.

135308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33831 (or 33829 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 135308 is about 367.8423575392. The cubic root of 135308 is about 51.3382615534.

Adding to 135308 its reverse (803531), we get a palindrome (938839).

The spelling of 135308 in words is "one hundred thirty-five thousand, three hundred eight".