133169266 has 8 divisors (see below), whose sum is σ = 199847340. Its totient is φ = 66553488.

The previous prime is 133169249. The next prime is 133169269. The reversal of 133169266 is 662961331.

It can be written as a sum of positive squares in 2 ways, for example, as 124880625 + 8288641 = 11175^2 + 2879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (133169269) 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 in 3 ways as a sum of consecutive naturals, for example, 9801 + ... + 19036.

Almost surely, 2^133169266 is an apocalyptic number.

133169266 is a deficient number, since it is larger than the sum of its proper divisors (66678074).

133169266 is a wasteful number, since it uses less digits than its factorization.

133169266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31148.

The product of its digits is 34992, while the sum is 37.

The square root of 133169266 is about 11539.8988730404. The cubic root of 133169266 is about 510.6633250135.

The spelling of 133169266 in words is "one hundred thirty-three million, one hundred sixty-nine thousand, two hundred sixty-six".