133928398566798 has 16 divisors (see below), whose sum is σ = 292207415054976. Its totient is φ = 40584363202040.

The previous prime is 133928398566761. The next prime is 133928398566811. The reversal of 133928398566798 is 897665893829331.

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, 1014609079986 + ... + 1014609080117.

It is an arithmetic number, because the mean of its divisors is an integer number (18262963440936).

Almost surely, 2^{133928398566798} is an apocalyptic number.

133928398566798 is an abundant number, since it is smaller than the sum of its proper divisors (158279016488178).

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

133928398566798 is a wasteful number, since it uses less digits than its factorization.

133928398566798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029218160119.

The product of its digits is 25395793920, while the sum is 87.

The spelling of 133928398566798 in words is "one hundred thirty-three trillion, nine hundred twenty-eight billion, three hundred ninety-eight million, five hundred sixty-six thousand, seven hundred ninety-eight".