133340863 has 2 divisors, whose sum is σ = 133340864. Its totient is φ = 133340862.

The previous prime is 133340819. The next prime is 133340881. The reversal of 133340863 is 368043331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133340863 - 2⁹ = 133340351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133344863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66670431 + 66670432.

It is an arithmetic number, because the mean of its divisors is an integer number (66670432).

Almost surely, 2^133340863 is an apocalyptic number.

133340863 is a deficient number, since it is larger than the sum of its proper divisors (1).

133340863 is an equidigital number, since it uses as much as digits as its factorization.

133340863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 133340863 is about 11547.3314233203. The cubic root of 133340863 is about 510.8825715057.

The spelling of 133340863 in words is "one hundred thirty-three million, three hundred forty thousand, eight hundred sixty-three".