135068518379 has 2 divisors, whose sum is σ = 135068518380. Its totient is φ = 135068518378.

The previous prime is 135068518367. The next prime is 135068518381. The reversal of 135068518379 is 973815860531.

It is a strong prime.

It is an emirp because it is prime and its reverse (973815860531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135068518379 - 2¹² = 135068514283 is a prime.

Together with 135068518381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135068518679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67534259189 + 67534259190.

It is an arithmetic number, because the mean of its divisors is an integer number (67534259190).

Almost surely, 2^135068518379 is an apocalyptic number.

135068518379 is a deficient number, since it is larger than the sum of its proper divisors (1).

135068518379 is an equidigital number, since it uses as much as digits as its factorization.

135068518379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 135068518379 in words is "one hundred thirty-five billion, sixty-eight million, five hundred eighteen thousand, three hundred seventy-nine".