65320135 has 4 divisors (see below), whose sum is σ = 78384168. Its totient is φ = 52256104.

The previous prime is 65320117. The next prime is 65320147. The reversal of 65320135 is 53102356.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65320135 - 2¹⁵ = 65287367 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 6532009 + ... + 6532018.

It is an arithmetic number, because the mean of its divisors is an integer number (19596042).

Almost surely, 2^65320135 is an apocalyptic number.

65320135 is a deficient number, since it is larger than the sum of its proper divisors (13064033).

65320135 is a wasteful number, since it uses less digits than its factorization.

65320135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13064032.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 65320135 is about 8082.0872922779. The cubic root of 65320135 is about 402.7315848976.

The spelling of 65320135 in words is "sixty-five million, three hundred twenty thousand, one hundred thirty-five".