133798945280 has 480 divisors, whose sum is σ = 438480060480. Its totient is φ = 38490439680.

The previous prime is 133798945271. The next prime is 133798945303. The reversal of 133798945280 is 82549897331.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17934191 + ... + 17941649.

It is an arithmetic number, because the mean of its divisors is an integer number (913500126).

Almost surely, 2^133798945280 is an apocalyptic number.

133798945280 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 133798945280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219240030240).

133798945280 is an abundant number, since it is smaller than the sum of its proper divisors (304681115200).

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

133798945280 is a wasteful number, since it uses less digits than its factorization.

133798945280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7520 (or 7497 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 133798945280 in words is "one hundred thirty-three billion, seven hundred ninety-eight million, nine hundred forty-five thousand, two hundred eighty".