135056441 has 4 divisors (see below), whose sum is σ = 145445412. Its totient is φ = 124667472.

The previous prime is 135056423. The next prime is 135056443. The reversal of 135056441 is 144650531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18524416 + 116532025 = 4304^2 + 10795^2 .

It is a cyclic number.

It is not a de Polignac number, because 135056441 - 2⁶ = 135056377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135056443) 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 3 ways as a sum of consecutive naturals, for example, 5194466 + ... + 5194491.

It is an arithmetic number, because the mean of its divisors is an integer number (36361353).

Almost surely, 2^135056441 is an apocalyptic number.

It is an amenable number.

135056441 is a deficient number, since it is larger than the sum of its proper divisors (10388971).

135056441 is a wasteful number, since it uses less digits than its factorization.

135056441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10388970.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 135056441 is about 11621.3786187354. The cubic root of 135056441 is about 513.0642649700.

The spelling of 135056441 in words is "one hundred thirty-five million, fifty-six thousand, four hundred forty-one".