135201065 has 4 divisors (see below), whose sum is σ = 162241284. Its totient is φ = 108160848.

The previous prime is 135201047. The next prime is 135201113. The reversal of 135201065 is 560102531.

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 79370281 + 55830784 = 8909^2 + 7472^2 .

It is a cyclic number.

It is not a de Polignac number, because 135201065 - 2¹² = 135196969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135201065.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13520102 + ... + 13520111.

It is an arithmetic number, because the mean of its divisors is an integer number (40560321).

Almost surely, 2^135201065 is an apocalyptic number.

It is an amenable number.

135201065 is a deficient number, since it is larger than the sum of its proper divisors (27040219).

135201065 is an equidigital number, since it uses as much as digits as its factorization.

135201065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27040218.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 135201065 is about 11627.5992793010. The cubic root of 135201065 is about 513.2473364214.

Adding to 135201065 its reverse (560102531), we get a palindrome (695303596).

The spelling of 135201065 in words is "one hundred thirty-five million, two hundred one thousand, sixty-five".