133043047 has 4 divisors (see below), whose sum is σ = 133066600. Its totient is φ = 133019496.

The previous prime is 133043033. The next prime is 133043059. The reversal of 133043047 is 740340331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133043047 - 2¹⁹ = 132518759 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 (133043077) 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 3 ways as a sum of consecutive naturals, for example, 2329 + ... + 16477.

It is an arithmetic number, because the mean of its divisors is an integer number (33266650).

Almost surely, 2^133043047 is an apocalyptic number.

133043047 is a deficient number, since it is larger than the sum of its proper divisors (23553).

133043047 is an equidigital number, since it uses as much as digits as its factorization.

133043047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23552.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 133043047 is about 11534.4287678237. The cubic root of 133043047 is about 510.5019369528.

Adding to 133043047 its reverse (740340331), we get a palindrome (873383378).

The spelling of 133043047 in words is "one hundred thirty-three million, forty-three thousand, forty-seven".