133904467 has 2 divisors, whose sum is σ = 133904468. Its totient is φ = 133904466.

The previous prime is 133904437. The next prime is 133904473. The reversal of 133904467 is 764409331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133904467 is a prime.

It is not a weakly prime, because it can be changed into another prime (133904417) 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 as a sum of consecutive naturals, namely, 66952233 + 66952234.

It is an arithmetic number, because the mean of its divisors is an integer number (66952234).

Almost surely, 2^133904467 is an apocalyptic number.

133904467 is a deficient number, since it is larger than the sum of its proper divisors (1).

133904467 is an equidigital number, since it uses as much as digits as its factorization.

133904467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 133904467 is about 11571.7097699519. The cubic root of 133904467 is about 511.6013577384.

The spelling of 133904467 in words is "one hundred thirty-three million, nine hundred four thousand, four hundred sixty-seven".