133100441 has 2 divisors, whose sum is σ = 133100442. Its totient is φ = 133100440.

The previous prime is 133100431. The next prime is 133100447. The reversal of 133100441 is 144001331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129846025 + 3254416 = 11395^2 + 1804^2 .

It is a cyclic number.

It is not a de Polignac number, because 133100441 - 2²² = 128906137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133100447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66550220 + 66550221.

It is an arithmetic number, because the mean of its divisors is an integer number (66550221).

Almost surely, 2^133100441 is an apocalyptic number.

It is an amenable number.

133100441 is a deficient number, since it is larger than the sum of its proper divisors (1).

133100441 is an equidigital number, since it uses as much as digits as its factorization.

133100441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 133100441 is about 11536.9164424468. The cubic root of 133100441 is about 510.5753355923.

Adding to 133100441 its reverse (144001331), we get a palindrome (277101772).

The spelling of 133100441 in words is "one hundred thirty-three million, one hundred thousand, four hundred forty-one".