133099469 has 2 divisors, whose sum is σ = 133099470. Its totient is φ = 133099468.

The previous prime is 133099387. The next prime is 133099481. The reversal of 133099469 is 964990331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132480100 + 619369 = 11510^2 + 787^2 .

It is a cyclic number.

It is not a de Polignac number, because 133099469 - 2¹² = 133095373 is a prime.

It is a super-2 number, since 2×133099469² = 35430937296163922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133099669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66549734 + 66549735.

It is an arithmetic number, because the mean of its divisors is an integer number (66549735).

Almost surely, 2^133099469 is an apocalyptic number.

It is an amenable number.

133099469 is a deficient number, since it is larger than the sum of its proper divisors (1).

133099469 is an equidigital number, since it uses as much as digits as its factorization.

133099469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 133099469 is about 11536.8743167289. The cubic root of 133099469 is about 510.5740927203.

The spelling of 133099469 in words is "one hundred thirty-three million, ninety-nine thousand, four hundred sixty-nine".