133509094993 has 4 divisors (see below), whose sum is σ = 133541575168. Its totient is φ = 133476614820.

The previous prime is 133509094973. The next prime is 133509094997. The reversal of 133509094993 is 399490905331.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133509094993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133509094997) 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 3 ways as a sum of consecutive naturals, for example, 16233921 + ... + 16242142.

It is an arithmetic number, because the mean of its divisors is an integer number (33385393792).

Almost surely, 2^133509094993 is an apocalyptic number.

It is an amenable number.

133509094993 is a deficient number, since it is larger than the sum of its proper divisors (32480175).

133509094993 is an equidigital number, since it uses as much as digits as its factorization.

133509094993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32480174.

The product of its (nonzero) digits is 3542940, while the sum is 55.

The spelling of 133509094993 in words is "one hundred thirty-three billion, five hundred nine million, ninety-four thousand, nine hundred ninety-three".