133434047 has 2 divisors, whose sum is σ = 133434048. Its totient is φ = 133434046.

The previous prime is 133433983. The next prime is 133434089. The reversal of 133434047 is 740434331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133434047 - 2⁶ = 133433983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133434947) 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, 66717023 + 66717024.

It is an arithmetic number, because the mean of its divisors is an integer number (66717024).

Almost surely, 2^133434047 is an apocalyptic number.

133434047 is a deficient number, since it is larger than the sum of its proper divisors (1).

133434047 is an equidigital number, since it uses as much as digits as its factorization.

133434047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 133434047 is about 11551.3655902668. The cubic root of 133434047 is about 511.0015522769.

Adding to 133434047 its reverse (740434331), we get a palindrome (873868378).

The spelling of 133434047 in words is "one hundred thirty-three million, four hundred thirty-four thousand, forty-seven".