133306672 has 10 divisors (see below), whose sum is σ = 258281708. Its totient is φ = 66653328.

The previous prime is 133306669. The next prime is 133306739. The reversal of 133306672 is 276603331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4165818 + ... + 4165849.

Almost surely, 2^133306672 is an apocalyptic number.

It is an amenable number.

133306672 is a deficient number, since it is larger than the sum of its proper divisors (124975036).

133306672 is an equidigital number, since it uses as much as digits as its factorization.

133306672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8331675 (or 8331669 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 133306672 is about 11545.8508564765. The cubic root of 133306672 is about 510.8389012738.

It can be divided in two parts, 13330 and 6672, that added together give a palindrome (20002).

The spelling of 133306672 in words is "one hundred thirty-three million, three hundred six thousand, six hundred seventy-two".