133270307 has 4 divisors (see below), whose sum is σ = 133422120. Its totient is φ = 133118496.

The previous prime is 133270297. The next prime is 133270309. The reversal of 133270307 is 703072331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133270307 - 2⁶ = 133270243 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (133270309) 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, 74582 + ... + 76347.

It is an arithmetic number, because the mean of its divisors is an integer number (33355530).

Almost surely, 2^133270307 is an apocalyptic number.

133270307 is a deficient number, since it is larger than the sum of its proper divisors (151813).

133270307 is an equidigital number, since it uses as much as digits as its factorization.

133270307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151812.

The product of its (nonzero) digits is 2646, while the sum is 26.

The square root of 133270307 is about 11544.2759409155. The cubic root of 133270307 is about 510.7924461194.

The spelling of 133270307 in words is "one hundred thirty-three million, two hundred seventy thousand, three hundred seven".