133402352788728 has 64 divisors (see below), whose sum is σ = 370707811084800. Its totient is φ = 44449964529120.

The previous prime is 133402352788721. The next prime is 133402352788769. The reversal of 133402352788728 is 827887253204331.

133402352788728 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 0 + 2 + 3 + 527 + 8 + 87 + 28 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133402352788721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120882778 + ... + 121981353.

It is an arithmetic number, because the mean of its divisors is an integer number (5792309548200).

Almost surely, 2^{133402352788728} is an apocalyptic number.

133402352788728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

133402352788728 is an abundant number, since it is smaller than the sum of its proper divisors (237305458296072).

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

133402352788728 is a wasteful number, since it uses less digits than its factorization.

133402352788728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242866689 (or 242866679 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 63.

The spelling of 133402352788728 in words is "one hundred thirty-three trillion, four hundred two billion, three hundred fifty-two million, seven hundred eighty-eight thousand, seven hundred twenty-eight".