135410213 has 2 divisors, whose sum is σ = 135410214. Its totient is φ = 135410212.

The previous prime is 135410189. The next prime is 135410221. The reversal of 135410213 is 312014531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129095044 + 6315169 = 11362^2 + 2513^2 .

It is a cyclic number.

It is not a de Polignac number, because 135410213 - 2⁸ = 135409957 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135412213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67705106 + 67705107.

It is an arithmetic number, because the mean of its divisors is an integer number (67705107).

Almost surely, 2^135410213 is an apocalyptic number.

It is an amenable number.

135410213 is a deficient number, since it is larger than the sum of its proper divisors (1).

135410213 is an equidigital number, since it uses as much as digits as its factorization.

135410213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 135410213 is about 11636.5894058354. The cubic root of 135410213 is about 513.5118544302.

Adding to 135410213 its reverse (312014531), we get a palindrome (447424744).

The spelling of 135410213 in words is "one hundred thirty-five million, four hundred ten thousand, two hundred thirteen".