133663069 has 2 divisors, whose sum is σ = 133663070. Its totient is φ = 133663068.

The previous prime is 133663039. The next prime is 133663111. The reversal of 133663069 is 960366331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83960569 + 49702500 = 9163^2 + 7050^2 .

It is a cyclic number.

It is not a de Polignac number, because 133663069 - 2⁷ = 133662941 is a prime.

It is a super-2 number, since 2×133663069² = 35731632028997522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133663039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66831534 + 66831535.

It is an arithmetic number, because the mean of its divisors is an integer number (66831535).

Almost surely, 2^133663069 is an apocalyptic number.

It is an amenable number.

133663069 is a deficient number, since it is larger than the sum of its proper divisors (1).

133663069 is an equidigital number, since it uses as much as digits as its factorization.

133663069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 133663069 is about 11561.2745404648. The cubic root of 133663069 is about 511.2937408351.

The spelling of 133663069 in words is "one hundred thirty-three million, six hundred sixty-three thousand, sixty-nine".