135273 has 8 divisors (see below), whose sum is σ = 183328. Its totient is φ = 88704.

The previous prime is 135271. The next prime is 135277. The reversal of 135273 is 372531.

It is a happy number.

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

It is not a de Polignac number, because 135273 - 2¹ = 135271 is a prime.

It is a d-powerful number, because it can be written as 1 + 3 + 2¹⁷ + 5⁵ + 7³ + 3⁶ .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136 + ... + 537.

It is an arithmetic number, because the mean of its divisors is an integer number (22916).

2¹³⁵²⁷³ is an apocalyptic number.

It is an amenable number.

135273 is a deficient number, since it is larger than the sum of its proper divisors (48055).

135273 is an equidigital number, since it uses as much as digits as its factorization.

135273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743.

The product of its digits is 630, while the sum is 21.

The square root of 135273 is about 367.7947797346. The cubic root of 135273 is about 51.3338346309. Note that the first 3 decimals are identical.

It can be divided in two parts, 13527 and 3, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 135273 in words is "one hundred thirty-five thousand, two hundred seventy-three".