133043043 has 16 divisors (see below), whose sum is σ = 203164160. Its totient is φ = 75862656.

The previous prime is 133043033. The next prime is 133043059. The reversal of 133043043 is 340340331.

It is not a de Polignac number, because 133043043 - 2⁹ = 133042531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133043033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3723 + ... + 16731.

It is an arithmetic number, because the mean of its divisors is an integer number (12697760).

Almost surely, 2^133043043 is an apocalyptic number.

133043043 is a deficient number, since it is larger than the sum of its proper divisors (70121117).

133043043 is a wasteful number, since it uses less digits than its factorization.

133043043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13506.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 133043043 is about 11534.4285944298. The cubic root of 133043043 is about 510.5019318366.

Adding to 133043043 its reverse (340340331), we get a palindrome (473383374).

The spelling of 133043043 in words is "one hundred thirty-three million, forty-three thousand, forty-three".