133630669 has 2 divisors, whose sum is σ = 133630670. Its totient is φ = 133630668.

The previous prime is 133630657. The next prime is 133630723. The reversal of 133630669 is 966036331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115670025 + 17960644 = 10755^2 + 4238^2 .

It is a cyclic number.

It is not a de Polignac number, because 133630669 - 2⁹ = 133630157 is a prime.

It is a super-2 number, since 2×133630669² = 35714311394775122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133030669) 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, 66815334 + 66815335.

It is an arithmetic number, because the mean of its divisors is an integer number (66815335).

Almost surely, 2^133630669 is an apocalyptic number.

It is an amenable number.

133630669 is a deficient number, since it is larger than the sum of its proper divisors (1).

133630669 is an equidigital number, since it uses as much as digits as its factorization.

133630669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 133630669 is about 11559.8732259485. The cubic root of 133630669 is about 511.2524248704.

The spelling of 133630669 in words is "one hundred thirty-three million, six hundred thirty thousand, six hundred sixty-nine".