135081065 has 16 divisors (see below), whose sum is σ = 196152192. Its totient is φ = 87177984.

The previous prime is 135081061. The next prime is 135081077. The reversal of 135081065 is 560180531.

It is a cyclic number.

It is not a de Polignac number, because 135081065 - 2² = 135081061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135081061) 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, 112919 + ... + 114108.

It is an arithmetic number, because the mean of its divisors is an integer number (12259512).

Almost surely, 2^135081065 is an apocalyptic number.

It is an amenable number.

135081065 is a deficient number, since it is larger than the sum of its proper divisors (61071127).

135081065 is a wasteful number, since it uses less digits than its factorization.

135081065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227056.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 135081065 is about 11622.4379972534. The cubic root of 135081065 is about 513.0954443462.

The spelling of 135081065 in words is "one hundred thirty-five million, eighty-one thousand, sixty-five".