133665906060 has 36 divisors (see below), whose sum is σ = 405453248928. Its totient is φ = 35644241568.

The previous prime is 133665905993. The next prime is 133665906097. The reversal of 133665906060 is 60609566331.

133665906060 is a `hidden beast` number, since 1 + 3 + 36 + 6 + 5 + 9 + 0 + 606 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 133665905997 and 133665906015.

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 11 ways as a sum of consecutive naturals, for example, 371294004 + ... + 371294363.

It is an arithmetic number, because the mean of its divisors is an integer number (11262590248).

Almost surely, 2^133665906060 is an apocalyptic number.

133665906060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133665906060 is an abundant number, since it is smaller than the sum of its proper divisors (271787342868).

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

133665906060 is a wasteful number, since it uses less digits than its factorization.

133665906060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742588382 (or 742588377 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 45.

The spelling of 133665906060 in words is "one hundred thirty-three billion, six hundred sixty-five million, nine hundred six thousand, sixty".