135354521317 has 2 divisors, whose sum is σ = 135354521318. Its totient is φ = 135354521316.

The previous prime is 135354521303. The next prime is 135354521369. The reversal of 135354521317 is 713125453531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133623878116 + 1730643201 = 365546^2 + 41601^2 .

It is an emirp because it is prime and its reverse (713125453531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135354521317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135354521317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135354521377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67677260658 + 67677260659.

It is an arithmetic number, because the mean of its divisors is an integer number (67677260659).

Almost surely, 2^135354521317 is an apocalyptic number.

It is an amenable number.

135354521317 is a deficient number, since it is larger than the sum of its proper divisors (1).

135354521317 is an equidigital number, since it uses as much as digits as its factorization.

135354521317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 40.

Adding to 135354521317 its reverse (713125453531), we get a palindrome (848479974848).

The spelling of 135354521317 in words is "one hundred thirty-five billion, three hundred fifty-four million, five hundred twenty-one thousand, three hundred seventeen".