135143117 has 2 divisors, whose sum is σ = 135143118. Its totient is φ = 135143116.

The previous prime is 135143059. The next prime is 135143119. The reversal of 135143117 is 711341531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132112036 + 3031081 = 11494^2 + 1741^2 .

It is a cyclic number.

It is not a de Polignac number, because 135143117 - 2⁶ = 135143053 is a prime.

Together with 135143119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135143119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67571558 + 67571559.

It is an arithmetic number, because the mean of its divisors is an integer number (67571559).

Almost surely, 2^135143117 is an apocalyptic number.

It is an amenable number.

135143117 is a deficient number, since it is larger than the sum of its proper divisors (1).

135143117 is an equidigital number, since it uses as much as digits as its factorization.

135143117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 26.

The square root of 135143117 is about 11625.1071823016. The cubic root of 135143117 is about 513.1739989646.

Adding to 135143117 its reverse (711341531), we get a palindrome (846484648).

The spelling of 135143117 in words is "one hundred thirty-five million, one hundred forty-three thousand, one hundred seventeen".