133109316309 has 4 divisors (see below), whose sum is σ = 177479088416. Its totient is φ = 88739544204.

The previous prime is 133109316289. The next prime is 133109316337. The reversal of 133109316309 is 903613901331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 133109316309 - 2¹² = 133109312213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133109315309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22184886049 + ... + 22184886054.

It is an arithmetic number, because the mean of its divisors is an integer number (44369772104).

Almost surely, 2^133109316309 is an apocalyptic number.

It is an amenable number.

133109316309 is a deficient number, since it is larger than the sum of its proper divisors (44369772107).

133109316309 is an equidigital number, since it uses as much as digits as its factorization.

133109316309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44369772106.

The product of its (nonzero) digits is 39366, while the sum is 39.

The spelling of 133109316309 in words is "one hundred thirty-three billion, one hundred nine million, three hundred sixteen thousand, three hundred nine".