133663927 has 2 divisors, whose sum is σ = 133663928. Its totient is φ = 133663926.

The previous prime is 133663921. The next prime is 133663931. The reversal of 133663927 is 729366331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133663927 - 2³ = 133663919 is a prime.

It is a super-2 number, since 2×133663927² = 35732090762122658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133663927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133663921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66831963 + 66831964.

It is an arithmetic number, because the mean of its divisors is an integer number (66831964).

Almost surely, 2^133663927 is an apocalyptic number.

133663927 is a deficient number, since it is larger than the sum of its proper divisors (1).

133663927 is an equidigital number, since it uses as much as digits as its factorization.

133663927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 40.

The square root of 133663927 is about 11561.3116470407. The cubic root of 133663927 is about 511.2948348523.

The spelling of 133663927 in words is "one hundred thirty-three million, six hundred sixty-three thousand, nine hundred twenty-seven".