133270666 has 8 divisors (see below), whose sum is σ = 201248100. Its totient is φ = 66187968.

The previous prime is 133270663. The next prime is 133270679. The reversal of 133270666 is 666072331.

It can be written as a sum of positive squares in 2 ways, for example, as 112975641 + 20295025 = 10629^2 + 4505^2 .

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

It is a super-2 number, since 2×133270666² = 35522140832167112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133270661) 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, 223311 + ... + 223906.

Almost surely, 2^133270666 is an apocalyptic number.

133270666 is a deficient number, since it is larger than the sum of its proper divisors (67977434).

133270666 is a wasteful number, since it uses less digits than its factorization.

133270666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447368.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 133270666 is about 11544.2914897364. The cubic root of 133270666 is about 510.7929047720.

The spelling of 133270666 in words is "one hundred thirty-three million, two hundred seventy thousand, six hundred sixty-six".