65140133 has 2 divisors, whose sum is σ = 65140134. Its totient is φ = 65140132.

The previous prime is 65140129. The next prime is 65140139. The reversal of 65140133 is 33104156.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65011969 + 128164 = 8063^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 65140133 - 2² = 65140129 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 65140099 and 65140108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65140139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32570066 + 32570067.

It is an arithmetic number, because the mean of its divisors is an integer number (32570067).

Almost surely, 2^65140133 is an apocalyptic number.

It is an amenable number.

65140133 is a deficient number, since it is larger than the sum of its proper divisors (1).

65140133 is an equidigital number, since it uses as much as digits as its factorization.

65140133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 65140133 is about 8070.9437490296. The cubic root of 65140133 is about 402.3613101893.

Adding to 65140133 its reverse (33104156), we get a palindrome (98244289).

The spelling of 65140133 in words is "sixty-five million, one hundred forty thousand, one hundred thirty-three".