135215033 has 2 divisors, whose sum is σ = 135215034. Its totient is φ = 135215032.

The previous prime is 135215029. The next prime is 135215083. The reversal of 135215033 is 330512531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120714169 + 14500864 = 10987^2 + 3808^2 .

It is a cyclic number.

It is not a de Polignac number, because 135215033 - 2² = 135215029 is a prime.

It is not a weakly prime, because it can be changed into another prime (135215083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67607516 + 67607517.

It is an arithmetic number, because the mean of its divisors is an integer number (67607517).

Almost surely, 2^135215033 is an apocalyptic number.

It is an amenable number.

135215033 is a deficient number, since it is larger than the sum of its proper divisors (1).

135215033 is an equidigital number, since it uses as much as digits as its factorization.

135215033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 135215033 is about 11628.1999036824. The cubic root of 135215033 is about 513.2650108185.

Adding to 135215033 its reverse (330512531), we get a palindrome (465727564).

The spelling of 135215033 in words is "one hundred thirty-five million, two hundred fifteen thousand, thirty-three".