133403353 has 2 divisors, whose sum is σ = 133403354. Its totient is φ = 133403352.

The previous prime is 133403297. The next prime is 133403357. The reversal of 133403353 is 353304331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108722329 + 24681024 = 10427^2 + 4968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133403353 is a prime.

It is not a weakly prime, because it can be changed into another prime (133403357) 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, 66701676 + 66701677.

It is an arithmetic number, because the mean of its divisors is an integer number (66701677).

Almost surely, 2^133403353 is an apocalyptic number.

It is an amenable number.

133403353 is a deficient number, since it is larger than the sum of its proper divisors (1).

133403353 is an equidigital number, since it uses as much as digits as its factorization.

133403353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 25.

The square root of 133403353 is about 11550.0369263479. The cubic root of 133403353 is about 510.9623671644.

Adding to 133403353 its reverse (353304331), we get a palindrome (486707684).

The spelling of 133403353 in words is "one hundred thirty-three million, four hundred three thousand, three hundred fifty-three".