133532669 has 2 divisors, whose sum is σ = 133532670. Its totient is φ = 133532668.

The previous prime is 133532657. The next prime is 133532677. The reversal of 133532669 is 966235331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130256569 + 3276100 = 11413^2 + 1810^2 .

It is a cyclic number.

It is not a de Polignac number, because 133532669 - 2¹⁶ = 133467133 is a prime.

It is a super-2 number, since 2×133532669² = 35661947380527122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133532629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66766334 + 66766335.

It is an arithmetic number, because the mean of its divisors is an integer number (66766335).

Almost surely, 2^133532669 is an apocalyptic number.

It is an amenable number.

133532669 is a deficient number, since it is larger than the sum of its proper divisors (1).

133532669 is an equidigital number, since it uses as much as digits as its factorization.

133532669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 38.

The square root of 133532669 is about 11555.6336477062. The cubic root of 133532669 is about 511.1274161658.

The spelling of 133532669 in words is "one hundred thirty-three million, five hundred thirty-two thousand, six hundred sixty-nine".