135454331317 has 2 divisors, whose sum is σ = 135454331318. Its totient is φ = 135454331316.

The previous prime is 135454331239. The next prime is 135454331333. The reversal of 135454331317 is 713133454531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89022269956 + 46432061361 = 298366^2 + 215481^2 .

It is a cyclic number.

It is not a de Polignac number, because 135454331317 - 2⁷ = 135454331189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135454331317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135454331717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67727165658 + 67727165659.

It is an arithmetic number, because the mean of its divisors is an integer number (67727165659).

Almost surely, 2^135454331317 is an apocalyptic number.

It is an amenable number.

135454331317 is a deficient number, since it is larger than the sum of its proper divisors (1).

135454331317 is an equidigital number, since it uses as much as digits as its factorization.

135454331317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 40.

Adding to 135454331317 its reverse (713133454531), we get a palindrome (848587785848).

The spelling of 135454331317 in words is "one hundred thirty-five billion, four hundred fifty-four million, three hundred thirty-one thousand, three hundred seventeen".