133926569980 has 24 divisors (see below), whose sum is σ = 321423768288. Its totient is φ = 45917681088.

The previous prime is 133926569957. The next prime is 133926570007. The reversal of 133926569980 is 89965629331.

It is a super-3 number, since 3×133926569980³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478309039 + ... + 478309318.

It is an arithmetic number, because the mean of its divisors is an integer number (13392657012).

Almost surely, 2^133926569980 is an apocalyptic number.

133926569980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133926569980 is an abundant number, since it is smaller than the sum of its proper divisors (187497198308).

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

133926569980 is a wasteful number, since it uses less digits than its factorization.

133926569980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956618373 (or 956618371 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 61.

The spelling of 133926569980 in words is "one hundred thirty-three billion, nine hundred twenty-six million, five hundred sixty-nine thousand, nine hundred eighty".