133604362985988 has 12 divisors (see below), whose sum is σ = 311743513634000. Its totient is φ = 44534787661992.

The previous prime is 133604362985957. The next prime is 133604362986041. The reversal of 133604362985988 is 889589263406331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×133604362985988² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5566848457738 + ... + 5566848457761.

Almost surely, 2^{133604362985988} is an apocalyptic number.

It is an amenable number.

133604362985988 is an abundant number, since it is smaller than the sum of its proper divisors (178139150648012).

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

133604362985988 is a wasteful number, since it uses less digits than its factorization.

133604362985988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11133696915506 (or 11133696915504 counting only the distinct ones).

The product of its (nonzero) digits is 1612431360, while the sum is 75.

The spelling of 133604362985988 in words is "one hundred thirty-three trillion, six hundred four billion, three hundred sixty-two million, nine hundred eighty-five thousand, nine hundred eighty-eight".