135441273 has 16 divisors (see below), whose sum is σ = 205572096. Its totient is φ = 78516240.

The previous prime is 135441247. The next prime is 135441283. The reversal of 135441273 is 372144531.

It is a happy number.

It is not a de Polignac number, because 135441273 - 2⁶ = 135441209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135441273.

It is not an unprimeable number, because it can be changed into a prime (135441203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88465 + ... + 89982.

It is an arithmetic number, because the mean of its divisors is an integer number (12848256).

Almost surely, 2^135441273 is an apocalyptic number.

It is an amenable number.

135441273 is a deficient number, since it is larger than the sum of its proper divisors (70130823).

135441273 is a wasteful number, since it uses less digits than its factorization.

135441273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178484.

The product of its digits is 10080, while the sum is 30.

The square root of 135441273 is about 11637.9239127948. The cubic root of 135441273 is about 513.5511140461.

The spelling of 135441273 in words is "one hundred thirty-five million, four hundred forty-one thousand, two hundred seventy-three".