135120563393 has 2 divisors, whose sum is σ = 135120563394. Its totient is φ = 135120563392.

The previous prime is 135120563371. The next prime is 135120563437. The reversal of 135120563393 is 393365021531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122228550544 + 12892012849 = 349612^2 + 113543^2 .

It is an emirp because it is prime and its reverse (393365021531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135120563393 - 2¹² = 135120559297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135120563393.

It is not a weakly prime, because it can be changed into another prime (135120563693) 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, 67560281696 + 67560281697.

It is an arithmetic number, because the mean of its divisors is an integer number (67560281697).

Almost surely, 2^135120563393 is an apocalyptic number.

It is an amenable number.

135120563393 is a deficient number, since it is larger than the sum of its proper divisors (1).

135120563393 is an equidigital number, since it uses as much as digits as its factorization.

135120563393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 218700, while the sum is 41.

The spelling of 135120563393 in words is "one hundred thirty-five billion, one hundred twenty million, five hundred sixty-three thousand, three hundred ninety-three".