135068664331 has 2 divisors, whose sum is σ = 135068664332. Its totient is φ = 135068664330.

The previous prime is 135068664301. The next prime is 135068664337. The reversal of 135068664331 is 133466860531.

It is a strong prime.

It is an emirp because it is prime and its reverse (133466860531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135068664331 - 2¹⁵ = 135068631563 is a prime.

It is a super-3 number, since 3×135068664331³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (135068664337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67534332165 + 67534332166.

It is an arithmetic number, because the mean of its divisors is an integer number (67534332166).

Almost surely, 2^135068664331 is an apocalyptic number.

135068664331 is a deficient number, since it is larger than the sum of its proper divisors (1).

135068664331 is an equidigital number, since it uses as much as digits as its factorization.

135068664331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 135068664331 in words is "one hundred thirty-five billion, sixty-eight million, six hundred sixty-four thousand, three hundred thirty-one".