133310473 has 2 divisors, whose sum is σ = 133310474. Its totient is φ = 133310472.

The previous prime is 133310459. The next prime is 133310497. The reversal of 133310473 is 374013331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78357904 + 54952569 = 8852^2 + 7413^2 .

It is a cyclic number.

It is not a de Polignac number, because 133310473 - 2⁹ = 133309961 is a prime.

It is a super-2 number, since 2×133310473² = 35543364422967458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133310173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66655236 + 66655237.

It is an arithmetic number, because the mean of its divisors is an integer number (66655237).

Almost surely, 2^133310473 is an apocalyptic number.

It is an amenable number.

133310473 is a deficient number, since it is larger than the sum of its proper divisors (1).

133310473 is an equidigital number, since it uses as much as digits as its factorization.

133310473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 133310473 is about 11546.0154598892. The cubic root of 133310473 is about 510.8437564452.

The spelling of 133310473 in words is "one hundred thirty-three million, three hundred ten thousand, four hundred seventy-three".