135038879 has 2 divisors, whose sum is σ = 135038880. Its totient is φ = 135038878.

The previous prime is 135038873. The next prime is 135038903. The reversal of 135038879 is 978830531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135038879 - 2⁸ = 135038623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135038873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67519439 + 67519440.

It is an arithmetic number, because the mean of its divisors is an integer number (67519440).

Almost surely, 2^135038879 is an apocalyptic number.

135038879 is a deficient number, since it is larger than the sum of its proper divisors (1).

135038879 is an equidigital number, since it uses as much as digits as its factorization.

135038879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 135038879 is about 11620.6230039529. The cubic root of 135038879 is about 513.0420253169.

The spelling of 135038879 in words is "one hundred thirty-five million, thirty-eight thousand, eight hundred seventy-nine".