65136211 has 8 divisors (see below), whose sum is σ = 75384320. Its totient is φ = 55123848.

The previous prime is 65136193. The next prime is 65136217. The reversal of 65136211 is 11263156.

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 65136211 - 2⁹ = 65135699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65136217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58341 + ... + 59446.

It is an arithmetic number, because the mean of its divisors is an integer number (9423040).

Almost surely, 2^65136211 is an apocalyptic number.

65136211 is a deficient number, since it is larger than the sum of its proper divisors (10248109).

65136211 is a wasteful number, since it uses less digits than its factorization.

65136211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117873.

The product of its digits is 1080, while the sum is 25.

The square root of 65136211 is about 8070.7007750257. The cubic root of 65136211 is about 402.3532348157.

Adding to 65136211 its reverse (11263156), we get a palindrome (76399367).

The spelling of 65136211 in words is "sixty-five million, one hundred thirty-six thousand, two hundred eleven".