133253733788280 has 256 divisors, whose sum is σ = 512561752934400. Its totient is φ = 30162287416320.

The previous prime is 133253733788251. The next prime is 133253733788303. The reversal of 133253733788280 is 82887337352331.

133253733788280 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 537 + 3 + 3 + 78 + 8 + 28 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 84785181 + ... + 86342540.

It is an arithmetic number, because the mean of its divisors is an integer number (2002194347400).

Almost surely, 2^{133253733788280} is an apocalyptic number.

133253733788280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133253733788280 is an abundant number, since it is smaller than the sum of its proper divisors (379308019146120).

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

133253733788280 is a wasteful number, since it uses less digits than its factorization.

133253733788280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171127851 (or 171127841 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 63.

The spelling of 133253733788280 in words is "one hundred thirty-three trillion, two hundred fifty-three billion, seven hundred thirty-three million, seven hundred eighty-eight thousand, two hundred eighty".