133133773 has 2 divisors, whose sum is σ = 133133774. Its totient is φ = 133133772.

The previous prime is 133133753. The next prime is 133133801. The reversal of 133133773 is 377331331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129458884 + 3674889 = 11378^2 + 1917^2 .

It is a cyclic number.

It is not a de Polignac number, because 133133773 - 2⁹ = 133133261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133133713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66566886 + 66566887.

It is an arithmetic number, because the mean of its divisors is an integer number (66566887).

Almost surely, 2^133133773 is an apocalyptic number.

It is an amenable number.

133133773 is a deficient number, since it is larger than the sum of its proper divisors (1).

133133773 is an equidigital number, since it uses as much as digits as its factorization.

133133773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11907, while the sum is 31.

The square root of 133133773 is about 11538.3609321255. The cubic root of 133133773 is about 510.6179527229.

The spelling of 133133773 in words is "one hundred thirty-three million, one hundred thirty-three thousand, seven hundred seventy-three".