65135305 has 8 divisors (see below), whose sum is σ = 80857800. Its totient is φ = 50311296.

The previous prime is 65135297. The next prime is 65135321. The reversal of 65135305 is 50353156.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 558009 + 64577296 = 747^2 + 8036^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65135305 - 2³ = 65135297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224460 + ... + 224749.

It is an arithmetic number, because the mean of its divisors is an integer number (10107225).

Almost surely, 2^65135305 is an apocalyptic number.

It is an amenable number.

65135305 is a deficient number, since it is larger than the sum of its proper divisors (15722495).

65135305 is a wasteful number, since it uses less digits than its factorization.

65135305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449243.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 65135305 is about 8070.6446458756. The cubic root of 65135305 is about 402.3513693213.

The spelling of 65135305 in words is "sixty-five million, one hundred thirty-five thousand, three hundred five".