133403229 has 12 divisors (see below), whose sum is σ = 192930556. Its totient is φ = 88826112.

The previous prime is 133403201. The next prime is 133403251. The reversal of 133403229 is 922304331.

It is a happy number.

133403229 is a `hidden beast` number, since 1 + 33 + 403 + 229 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7851204 + 125552025 = 2802^2 + 11205^2 .

It is not a de Polignac number, because 133403229 - 2¹³ = 133395037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133403129) 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 in 11 ways as a sum of consecutive naturals, for example, 1012 + ... + 16365.

Almost surely, 2^133403229 is an apocalyptic number.

It is an amenable number.

133403229 is a deficient number, since it is larger than the sum of its proper divisors (59527327).

133403229 is a wasteful number, since it uses less digits than its factorization.

133403229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18236 (or 18233 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 133403229 is about 11550.0315583984. The cubic root of 133403229 is about 510.9622088491.

The spelling of 133403229 in words is "one hundred thirty-three million, four hundred three thousand, two hundred twenty-nine".