135442663365 has 16 divisors (see below), whose sum is σ = 221319076608. Its totient is φ = 70699148736.

The previous prime is 135442663361. The next prime is 135442663379. The reversal of 135442663365 is 563366244531.

It is not a de Polignac number, because 135442663365 - 2² = 135442663361 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135442663361) 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 in 15 ways as a sum of consecutive naturals, for example, 96057922 + ... + 96059331.

It is an arithmetic number, because the mean of its divisors is an integer number (13832442288).

Almost surely, 2^135442663365 is an apocalyptic number.

135442663365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135442663365 is a deficient number, since it is larger than the sum of its proper divisors (85876413243).

135442663365 is a wasteful number, since it uses less digits than its factorization.

135442663365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192117308.

The product of its digits is 4665600, while the sum is 48.

The spelling of 135442663365 in words is "one hundred thirty-five billion, four hundred forty-two million, six hundred sixty-three thousand, three hundred sixty-five".