65806135 has 16 divisors (see below), whose sum is σ = 80359776. Its totient is φ = 51724288.

The previous prime is 65806109. The next prime is 65806141. The reversal of 65806135 is 53160856.

It is a cyclic number.

It is not a de Polignac number, because 65806135 - 2¹⁹ = 65281847 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 65806135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106347 + ... + 106963.

It is an arithmetic number, because the mean of its divisors is an integer number (5022486).

Almost surely, 2^65806135 is an apocalyptic number.

65806135 is a deficient number, since it is larger than the sum of its proper divisors (14553641).

65806135 is a wasteful number, since it uses less digits than its factorization.

65806135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 65806135 is about 8112.0980640029. The cubic root of 65806135 is about 403.7279296661.

The spelling of 65806135 in words is "sixty-five million, eight hundred six thousand, one hundred thirty-five".