133356833 has 2 divisors, whose sum is σ = 133356834. Its totient is φ = 133356832.

The previous prime is 133356787. The next prime is 133356859. The reversal of 133356833 is 338653331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133356304 + 529 = 11548^2 + 23^2 .

It is a cyclic number.

It is not a de Polignac number, because 133356833 - 2⁸ = 133356577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133356793 and 133356802.

It is not a weakly prime, because it can be changed into another prime (133356863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66678416 + 66678417.

It is an arithmetic number, because the mean of its divisors is an integer number (66678417).

Almost surely, 2^133356833 is an apocalyptic number.

It is an amenable number.

133356833 is a deficient number, since it is larger than the sum of its proper divisors (1).

133356833 is an equidigital number, since it uses as much as digits as its factorization.

133356833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 35.

The square root of 133356833 is about 11548.0229043763. The cubic root of 133356833 is about 510.9029665263.

The spelling of 133356833 in words is "one hundred thirty-three million, three hundred fifty-six thousand, eight hundred thirty-three".