133345033 has 2 divisors, whose sum is σ = 133345034. Its totient is φ = 133345032.

The previous prime is 133345019. The next prime is 133345039. The reversal of 133345033 is 330543331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132779529 + 565504 = 11523^2 + 752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133345033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133344989 and 133345007.

It is not a weakly prime, because it can be changed into another prime (133345039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66672516 + 66672517.

It is an arithmetic number, because the mean of its divisors is an integer number (66672517).

Almost surely, 2^133345033 is an apocalyptic number.

It is an amenable number.

133345033 is a deficient number, since it is larger than the sum of its proper divisors (1).

133345033 is an equidigital number, since it uses as much as digits as its factorization.

133345033 is an evil number, because the sum of its binary digits is even.

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

The square root of 133345033 is about 11547.5119831070. The cubic root of 133345033 is about 510.8878971002.

Adding to 133345033 its reverse (330543331), we get a palindrome (463888364).

The spelling of 133345033 in words is "one hundred thirty-three million, three hundred forty-five thousand, thirty-three".