135315203 has 2 divisors, whose sum is σ = 135315204. Its totient is φ = 135315202.

The previous prime is 135315197. The next prime is 135315227. The reversal of 135315203 is 302513531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135315203 - 2⁶ = 135315139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135315503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67657601 + 67657602.

It is an arithmetic number, because the mean of its divisors is an integer number (67657602).

Almost surely, 2^135315203 is an apocalyptic number.

135315203 is a deficient number, since it is larger than the sum of its proper divisors (1).

135315203 is an equidigital number, since it uses as much as digits as its factorization.

135315203 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 135315203 is about 11632.5063077567. The cubic root of 135315203 is about 513.3917251936.

Adding to 135315203 its reverse (302513531), we get a palindrome (437828734).

The spelling of 135315203 in words is "one hundred thirty-five million, three hundred fifteen thousand, two hundred three".