133936441 has 2 divisors, whose sum is σ = 133936442. Its totient is φ = 133936440.

The previous prime is 133936393. The next prime is 133936469. The reversal of 133936441 is 144639331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133888041 + 48400 = 11571^2 + 220^2 .

It is a cyclic number.

It is not a de Polignac number, because 133936441 - 2¹¹ = 133934393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133936397 and 133936406.

It is not a weakly prime, because it can be changed into another prime (133936241) 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, 66968220 + 66968221.

It is an arithmetic number, because the mean of its divisors is an integer number (66968221).

Almost surely, 2^133936441 is an apocalyptic number.

It is an amenable number.

133936441 is a deficient number, since it is larger than the sum of its proper divisors (1).

133936441 is an equidigital number, since it uses as much as digits as its factorization.

133936441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 34.

The square root of 133936441 is about 11573.0912465080. The cubic root of 133936441 is about 511.6420749262.

The spelling of 133936441 in words is "one hundred thirty-three million, nine hundred thirty-six thousand, four hundred forty-one".