135686645613583 has 2 divisors, whose sum is σ = 135686645613584. Its totient is φ = 135686645613582.

The previous prime is 135686645613577. The next prime is 135686645613653. The reversal of 135686645613583 is 385316546686531.

It is a happy number.

It is an a-pointer prime, because the next prime (135686645613653) can be obtained adding 135686645613583 to its sum of digits (70).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135686645613583 - 2⁵ = 135686645613551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135686642613583) 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, 67843322806791 + 67843322806792.

It is an arithmetic number, because the mean of its divisors is an integer number (67843322806792).

Almost surely, 2^{135686645613583} is an apocalyptic number.

135686645613583 is a deficient number, since it is larger than the sum of its proper divisors (1).

135686645613583 is an equidigital number, since it uses as much as digits as its factorization.

135686645613583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744000, while the sum is 70.

The spelling of 135686645613583 in words is "one hundred thirty-five trillion, six hundred eighty-six billion, six hundred forty-five million, six hundred thirteen thousand, five hundred eighty-three".