135444441513980 has 24 divisors (see below), whose sum is σ = 286022340187920. Its totient is φ = 53875107461120.

The previous prime is 135444441513863. The next prime is 135444441514027. The reversal of 135444441513980 is 89315144444531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18916817861 + ... + 18916825020.

It is an arithmetic number, because the mean of its divisors is an integer number (11917597507830).

Almost surely, 2^{135444441513980} is an apocalyptic number.

135444441513980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135444441513980 is an abundant number, since it is smaller than the sum of its proper divisors (150577898673940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135444441513980 is a wasteful number, since it uses less digits than its factorization.

135444441513980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37833643069 (or 37833643067 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 56.

The spelling of 135444441513980 in words is "one hundred thirty-five trillion, four hundred forty-four billion, four hundred forty-one million, five hundred thirteen thousand, nine hundred eighty".