133404863 has 2 divisors, whose sum is σ = 133404864. Its totient is φ = 133404862.

The previous prime is 133404823. The next prime is 133404883. The reversal of 133404863 is 368404331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133404863 - 2¹⁸ = 133142719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133404823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66702431 + 66702432.

It is an arithmetic number, because the mean of its divisors is an integer number (66702432).

Almost surely, 2^133404863 is an apocalyptic number.

133404863 is a deficient number, since it is larger than the sum of its proper divisors (1).

133404863 is an equidigital number, since it uses as much as digits as its factorization.

133404863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 133404863 is about 11550.1022939193. The cubic root of 133404863 is about 510.9642950276.

The spelling of 133404863 in words is "one hundred thirty-three million, four hundred four thousand, eight hundred sixty-three".