135669013579 has 16 divisors (see below), whose sum is σ = 151237071360. Its totient is φ = 120643011360.

The previous prime is 135669013573. The next prime is 135669013681. The reversal of 135669013579 is 975310966531.

It is a cyclic number.

It is not a de Polignac number, because 135669013579 - 2¹¹ = 135669011531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135669013573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 851572 + ... + 998254.

It is an arithmetic number, because the mean of its divisors is an integer number (9452316960).

Almost surely, 2^135669013579 is an apocalyptic number.

135669013579 is a deficient number, since it is larger than the sum of its proper divisors (15568057781).

135669013579 is a wasteful number, since it uses less digits than its factorization.

135669013579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148530.

The product of its (nonzero) digits is 4592700, while the sum is 55.

The spelling of 135669013579 in words is "one hundred thirty-five billion, six hundred sixty-nine million, thirteen thousand, five hundred seventy-nine".