133312576 has 14 divisors (see below), whose sum is σ = 264542270. Its totient is φ = 66656256.

The previous prime is 133312573. The next prime is 133312583. The reversal of 133312576 is 675213331.

It can be written as a sum of positive squares in only one way, i.e., 132710400 + 602176 = 11520^2 + 776^2 .

It is not an unprimeable number, because it can be changed into a prime (133312573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1041441 + ... + 1041568.

Almost surely, 2^133312576 is an apocalyptic number.

133312576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133312576 is a deficient number, since it is larger than the sum of its proper divisors (131229694).

133312576 is an equidigital number, since it uses as much as digits as its factorization.

133312576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083021 (or 2083011 counting only the distinct ones).

The product of its digits is 11340, while the sum is 31.

The square root of 133312576 is about 11546.1065299087. The cubic root of 133312576 is about 510.8464426526.

The spelling of 133312576 in words is "one hundred thirty-three million, three hundred twelve thousand, five hundred seventy-six".