135441065 has 4 divisors (see below), whose sum is σ = 162529284. Its totient is φ = 108352848.

The previous prime is 135441041. The next prime is 135441073. The reversal of 135441065 is 560144531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560144531 = 43 ⋅13026617.

It can be written as a sum of positive squares in 2 ways, for example, as 52940176 + 82500889 = 7276^2 + 9083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135441065 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 13544102 + ... + 13544111.

It is an arithmetic number, because the mean of its divisors is an integer number (40632321).

Almost surely, 2^135441065 is an apocalyptic number.

It is an amenable number.

135441065 is a deficient number, since it is larger than the sum of its proper divisors (27088219).

135441065 is an equidigital number, since it uses as much as digits as its factorization.

135441065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27088218.

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

The square root of 135441065 is about 11637.9149764896. The cubic root of 135441065 is about 513.5508511556.

Adding to 135441065 its reverse (560144531), we get a palindrome (695585596).

The spelling of 135441065 in words is "one hundred thirty-five million, four hundred forty-one thousand, sixty-five".