133319394609 has 8 divisors (see below), whose sum is σ = 177763278912. Its totient is φ = 88877553360.

The previous prime is 133319394599. The next prime is 133319394613. The reversal of 133319394609 is 906493913331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133319394609 - 2⁵ = 133319394577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133319594609) 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 in 7 ways as a sum of consecutive naturals, for example, 351397 + ... + 624594.

It is an arithmetic number, because the mean of its divisors is an integer number (22220409864).

Almost surely, 2^133319394609 is an apocalyptic number.

It is an amenable number.

133319394609 is a deficient number, since it is larger than the sum of its proper divisors (44443884303).

133319394609 is an equidigital number, since it uses as much as digits as its factorization.

133319394609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021527.

The product of its (nonzero) digits is 1417176, while the sum is 51.

The spelling of 133319394609 in words is "one hundred thirty-three billion, three hundred nineteen million, three hundred ninety-four thousand, six hundred nine".