133940728606080 has 512 divisors, whose sum is σ = 477980094458880. Its totient is φ = 31628065996800.

The previous prime is 133940728606073. The next prime is 133940728606151. The reversal of 133940728606080 is 80606827049331.

It is a self number, because there is not a number n which added to its sum of digits gives 133940728606080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 132192274 + ... + 133201646.

It is an arithmetic number, because the mean of its divisors is an integer number (933554871990).

Almost surely, 2^{133940728606080} is an apocalyptic number.

133940728606080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133940728606080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238990047229440).

133940728606080 is an abundant number, since it is smaller than the sum of its proper divisors (344039365852800).

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

133940728606080 is a wasteful number, since it uses less digits than its factorization.

133940728606080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009570 (or 1009558 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 133940728606080 in words is "one hundred thirty-three trillion, nine hundred forty billion, seven hundred twenty-eight million, six hundred six thousand, eighty".