133434911 has 2 divisors, whose sum is σ = 133434912. Its totient is φ = 133434910.

The previous prime is 133434907. The next prime is 133434947. The reversal of 133434911 is 119434331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133434911 - 2² = 133434907 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133434901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66717455 + 66717456.

It is an arithmetic number, because the mean of its divisors is an integer number (66717456).

Almost surely, 2^133434911 is an apocalyptic number.

133434911 is a deficient number, since it is larger than the sum of its proper divisors (1).

133434911 is an equidigital number, since it uses as much as digits as its factorization.

133434911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 29.

The square root of 133434911 is about 11551.4029883820. The cubic root of 133434911 is about 511.0026552048.

The spelling of 133434911 in words is "one hundred thirty-three million, four hundred thirty-four thousand, nine hundred eleven".