65135612 has 12 divisors (see below), whose sum is σ = 114237816. Its totient is φ = 32496240.

The previous prime is 65135611. The next prime is 65135627. The reversal of 65135612 is 21653156.

It is a super-2 number, since 2×65135612² = 8485295901229088, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65135611) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15818 + ... + 19505.

It is an arithmetic number, because the mean of its divisors is an integer number (9519818).

Almost surely, 2^65135612 is an apocalyptic number.

It is an amenable number.

65135612 is a deficient number, since it is larger than the sum of its proper divisors (49102204).

65135612 is a wasteful number, since it uses less digits than its factorization.

65135612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35788 (or 35786 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 65135612 is about 8070.6636653995. The cubic root of 65135612 is about 402.3520014499.

Adding to 65135612 its reverse (21653156), we get a palindrome (86788768).

It can be divided in two parts, 651 and 35612, that added together give a palindrome (36263).

The spelling of 65135612 in words is "sixty-five million, one hundred thirty-five thousand, six hundred twelve".