133065243 has 6 divisors (see below), whose sum is σ = 192205364. Its totient is φ = 88710156.

The previous prime is 133065241. The next prime is 133065293. The reversal of 133065243 is 342560331.

It is a happy number.

133065243 is a `hidden beast` number, since 1 + 3 + 3 + 0 + 652 + 4 + 3 = 666.

It is not a de Polignac number, because 133065243 - 2¹ = 133065241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133065241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7392505 + ... + 7392522.

Almost surely, 2^133065243 is an apocalyptic number.

133065243 is a deficient number, since it is larger than the sum of its proper divisors (59140121).

133065243 is a wasteful number, since it uses less digits than its factorization.

133065243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14785033 (or 14785030 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 133065243 is about 11535.3908906461. The cubic root of 133065243 is about 510.5303249349.

The spelling of 133065243 in words is "one hundred thirty-three million, sixty-five thousand, two hundred forty-three".