135563644444 has 6 divisors (see below), whose sum is σ = 237236377784. Its totient is φ = 67781822220.

The previous prime is 135563644439. The next prime is 135563644453. The reversal of 135563644444 is 444446365531.

It is a congruent number.

It is an unprimeable number.

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, 16945455552 + ... + 16945455559.

Almost surely, 2^135563644444 is an apocalyptic number.

It is an amenable number.

135563644444 is a deficient number, since it is larger than the sum of its proper divisors (101672733340).

135563644444 is a wasteful number, since it uses less digits than its factorization.

135563644444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33890911115 (or 33890911113 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 49.

The spelling of 135563644444 in words is "one hundred thirty-five billion, five hundred sixty-three million, six hundred forty-four thousand, four hundred forty-four".