135213107 has 2 divisors, whose sum is σ = 135213108. Its totient is φ = 135213106.

The previous prime is 135213079. The next prime is 135213173. The reversal of 135213107 is 701312531.

It is a weak prime.

It is an emirp because it is prime and its reverse (701312531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135213107 - 2⁸ = 135212851 is a prime.

It is not a weakly prime, because it can be changed into another prime (135213007) 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, 67606553 + 67606554.

It is an arithmetic number, because the mean of its divisors is an integer number (67606554).

Almost surely, 2^135213107 is an apocalyptic number.

135213107 is a deficient number, since it is larger than the sum of its proper divisors (1).

135213107 is an equidigital number, since it uses as much as digits as its factorization.

135213107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 135213107 is about 11628.1170874738. The cubic root of 135213107 is about 513.2625738284.

Adding to 135213107 its reverse (701312531), we get a palindrome (836525638).

The spelling of 135213107 in words is "one hundred thirty-five million, two hundred thirteen thousand, one hundred seven".