133468134809 has 16 divisors (see below), whose sum is σ = 140810039040. Its totient is φ = 126258834240.

The previous prime is 133468134799. The next prime is 133468134823. The reversal of 133468134809 is 908431864331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133468134809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133468133809) 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 in 15 ways as a sum of consecutive naturals, for example, 1307084 + ... + 1405490.

It is an arithmetic number, because the mean of its divisors is an integer number (8800627440).

Almost surely, 2^133468134809 is an apocalyptic number.

It is an amenable number.

133468134809 is a deficient number, since it is larger than the sum of its proper divisors (7341904231).

133468134809 is a wasteful number, since it uses less digits than its factorization.

133468134809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99080.

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 133468134809 in words is "one hundred thirty-three billion, four hundred sixty-eight million, one hundred thirty-four thousand, eight hundred nine".