133006668 has 12 divisors (see below), whose sum is σ = 310348920. Its totient is φ = 44335552.

The previous prime is 133006667. The next prime is 133006693. The reversal of 133006668 is 866600331.

133006668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (133006661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5541933 + ... + 5541956.

It is an arithmetic number, because the mean of its divisors is an integer number (25862410).

Almost surely, 2^133006668 is an apocalyptic number.

It is an amenable number.

133006668 is an abundant number, since it is smaller than the sum of its proper divisors (177342252).

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

133006668 is a wasteful number, since it uses less digits than its factorization.

133006668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11083896 (or 11083894 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 133006668 is about 11532.8516855113. The cubic root of 133006668 is about 510.4554025331.

Adding to 133006668 its reverse (866600331), we get a palindrome (999606999).

The spelling of 133006668 in words is "one hundred thirty-three million, six thousand, six hundred sixty-eight".