133262947 has 2 divisors, whose sum is σ = 133262948. Its totient is φ = 133262946.

The previous prime is 133262911. The next prime is 133262959. The reversal of 133262947 is 749262331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133262947 - 2⁷ = 133262819 is a prime.

It is not a weakly prime, because it can be changed into another prime (133262147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66631473 + 66631474.

It is an arithmetic number, because the mean of its divisors is an integer number (66631474).

Almost surely, 2^133262947 is an apocalyptic number.

133262947 is a deficient number, since it is larger than the sum of its proper divisors (1).

133262947 is an equidigital number, since it uses as much as digits as its factorization.

133262947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 133262947 is about 11543.9571638152. The cubic root of 133262947 is about 510.7830429205.

The spelling of 133262947 in words is "one hundred thirty-three million, two hundred sixty-two thousand, nine hundred forty-seven".