133366307 has 4 divisors (see below), whose sum is σ = 136203936. Its totient is φ = 130528680.

The previous prime is 133366291. The next prime is 133366369. The reversal of 133366307 is 703663331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703663331 = 7 ⋅100523333.

It is a cyclic number.

It is not a de Polignac number, because 133366307 - 2⁴ = 133366291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133366007) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1418744 + ... + 1418837.

It is an arithmetic number, because the mean of its divisors is an integer number (34050984).

Almost surely, 2^133366307 is an apocalyptic number.

133366307 is a deficient number, since it is larger than the sum of its proper divisors (2837629).

133366307 is an equidigital number, since it uses as much as digits as its factorization.

133366307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837628.

The product of its (nonzero) digits is 20412, while the sum is 32.

The square root of 133366307 is about 11548.4330971782. The cubic root of 133366307 is about 510.9150648442.

The spelling of 133366307 in words is "one hundred thirty-three million, three hundred sixty-six thousand, three hundred seven".