133534441 has 2 divisors, whose sum is σ = 133534442. Its totient is φ = 133534440.

The previous prime is 133534433. The next prime is 133534459. The reversal of 133534441 is 144435331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84254041 + 49280400 = 9179^2 + 7020^2 .

It is a cyclic number.

It is not a de Polignac number, because 133534441 - 2³ = 133534433 is a prime.

It is a super-3 number, since 3×133534441³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (133534421) 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 as a sum of consecutive naturals, namely, 66767220 + 66767221.

It is an arithmetic number, because the mean of its divisors is an integer number (66767221).

Almost surely, 2^133534441 is an apocalyptic number.

It is an amenable number.

133534441 is a deficient number, since it is larger than the sum of its proper divisors (1).

133534441 is an equidigital number, since it uses as much as digits as its factorization.

133534441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 28.

The square root of 133534441 is about 11555.7103200106. The cubic root of 133534441 is about 511.1296770701.

Adding to 133534441 its reverse (144435331), we get a palindrome (277969772).

The spelling of 133534441 in words is "one hundred thirty-three million, five hundred thirty-four thousand, four hundred forty-one".