135016065 has 40 divisors (see below), whose sum is σ = 242934120. Its totient is φ = 71739648.

The previous prime is 135016061. The next prime is 135016081. The reversal of 135016065 is 560610531.

It is a happy number.

135016065 is a `hidden beast` number, since 1 + 3 + 50 + 1 + 606 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 24324624 + 110691441 = 4932^2 + 10521^2 .

It is not a de Polignac number, because 135016065 - 2² = 135016061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (135016061) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 157117 + ... + 157973.

It is an arithmetic number, because the mean of its divisors is an integer number (6073353).

Almost surely, 2^135016065 is an apocalyptic number.

135016065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135016065 is a deficient number, since it is larger than the sum of its proper divisors (107918055).

135016065 is an equidigital number, since it uses as much as digits as its factorization.

135016065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 135016065 is about 11619.6413455838. The cubic root of 135016065 is about 513.0131319097.

Adding to 135016065 its reverse (560610531), we get a palindrome (695626596).

The spelling of 135016065 in words is "one hundred thirty-five million, sixteen thousand, sixty-five".