135879117833 has 2 divisors, whose sum is σ = 135879117834. Its totient is φ = 135879117832.

The previous prime is 135879117821. The next prime is 135879117851. The reversal of 135879117833 is 338711978531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104605671184 + 31273446649 = 323428^2 + 176843^2 .

It is a cyclic number.

It is not a de Polignac number, because 135879117833 - 2¹⁰ = 135879116809 is a prime.

It is not a weakly prime, because it can be changed into another prime (135879117863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67939558916 + 67939558917.

It is an arithmetic number, because the mean of its divisors is an integer number (67939558917).

Almost surely, 2^135879117833 is an apocalyptic number.

It is an amenable number.

135879117833 is a deficient number, since it is larger than the sum of its proper divisors (1).

135879117833 is an equidigital number, since it uses as much as digits as its factorization.

135879117833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 56.

The spelling of 135879117833 in words is "one hundred thirty-five billion, eight hundred seventy-nine million, one hundred seventeen thousand, eight hundred thirty-three".