135044273 has 16 divisors (see below), whose sum is σ = 167932800. Its totient is φ = 105739776.

The previous prime is 135044251. The next prime is 135044279. The reversal of 135044273 is 372440531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 135044273 - 2¹² = 135040177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135044279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1178 + ... + 16476.

It is an arithmetic number, because the mean of its divisors is an integer number (10495800).

Almost surely, 2^135044273 is an apocalyptic number.

135044273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135044273 is a deficient number, since it is larger than the sum of its proper divisors (32888527).

135044273 is a wasteful number, since it uses less digits than its factorization.

135044273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15416.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 135044273 is about 11620.8550890199. The cubic root of 135044273 is about 513.0488562184.

The spelling of 135044273 in words is "one hundred thirty-five million, forty-four thousand, two hundred seventy-three".