133706801 has 2 divisors, whose sum is σ = 133706802. Its totient is φ = 133706800.

The previous prime is 133706779. The next prime is 133706809. The reversal of 133706801 is 108607331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126000625 + 7706176 = 11225^2 + 2776^2 .

It is a cyclic number.

It is not a de Polignac number, because 133706801 - 2¹⁰ = 133705777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133706809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66853400 + 66853401.

It is an arithmetic number, because the mean of its divisors is an integer number (66853401).

Almost surely, 2^133706801 is an apocalyptic number.

It is an amenable number.

133706801 is a deficient number, since it is larger than the sum of its proper divisors (1).

133706801 is an equidigital number, since it uses as much as digits as its factorization.

133706801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 133706801 is about 11563.1656997554. The cubic root of 133706801 is about 511.3494965994.

The spelling of 133706801 in words is "one hundred thirty-three million, seven hundred six thousand, eight hundred one".