133432443 has 12 divisors (see below), whose sum is σ = 195613288. Its totient is φ = 87626880.

The previous prime is 133432441. The next prime is 133432447. The reversal of 133432443 is 344234331.

133432443 is a `hidden beast` number, since 1 + 334 + 324 + 4 + 3 = 666.

It is not a de Polignac number, because 133432443 - 2¹ = 133432441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133432441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110038 + ... + 111243.

Almost surely, 2^133432443 is an apocalyptic number.

133432443 is a deficient number, since it is larger than the sum of its proper divisors (62180845).

133432443 is a wasteful number, since it uses less digits than its factorization.

133432443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221354 (or 221351 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 133432443 is about 11551.2961610375. The cubic root of 133432443 is about 510.9995046991. Note that the first 3 decimals are identical.

Adding to 133432443 its reverse (344234331), we get a palindrome (477666774).

The spelling of 133432443 in words is "one hundred thirty-three million, four hundred thirty-two thousand, four hundred forty-three".