135135361 has 2 divisors, whose sum is σ = 135135362. Its totient is φ = 135135360.

The previous prime is 135135271. The next prime is 135135367. The reversal of 135135361 is 163531531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126135361 + 9000000 = 11231^2 + 3000^2 .

It is a cyclic number.

It is not a de Polignac number, because 135135361 - 2⁷ = 135135233 is a prime.

It is not a weakly prime, because it can be changed into another prime (135135367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67567680 + 67567681.

It is an arithmetic number, because the mean of its divisors is an integer number (67567681).

Almost surely, 2^135135361 is an apocalyptic number.

It is an amenable number.

135135361 is a deficient number, since it is larger than the sum of its proper divisors (1).

135135361 is an equidigital number, since it uses as much as digits as its factorization.

135135361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4050, while the sum is 28.

The square root of 135135361 is about 11624.7735891930. The cubic root of 135135361 is about 513.1641815854.

Adding to 135135361 its reverse (163531531), we get a palindrome (298666892).

The spelling of 135135361 in words is "one hundred thirty-five million, one hundred thirty-five thousand, three hundred sixty-one".