134644537328 has 40 divisors (see below), whose sum is σ = 301915438080. Its totient is φ = 56974357440.

The previous prime is 134644537297. The next prime is 134644537367. The reversal of 134644537328 is 823735446431.

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, 7599908 + ... + 7617603.

It is an arithmetic number, because the mean of its divisors is an integer number (7547885952).

Almost surely, 2^134644537328 is an apocalyptic number.

It is an amenable number.

134644537328 is an abundant number, since it is smaller than the sum of its proper divisors (167270900752).

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

134644537328 is a wasteful number, since it uses less digits than its factorization.

134644537328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15217605 (or 15217599 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 50.

The spelling of 134644537328 in words is "one hundred thirty-four billion, six hundred forty-four million, five hundred thirty-seven thousand, three hundred twenty-eight".