133309163803 has 4 divisors (see below), whose sum is σ = 133318677528. Its totient is φ = 133299650080.

The previous prime is 133309163723. The next prime is 133309163821. The reversal of 133309163803 is 308361903331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308361903331 = 8623 ⋅35760397.

It is a cyclic number.

It is not a de Polignac number, because 133309163803 - 2²⁵ = 133275609371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133309163833) 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, 4735813 + ... + 4763878.

It is an arithmetic number, because the mean of its divisors is an integer number (33329669382).

Almost surely, 2^133309163803 is an apocalyptic number.

133309163803 is a deficient number, since it is larger than the sum of its proper divisors (9513725).

133309163803 is an equidigital number, since it uses as much as digits as its factorization.

133309163803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9513724.

The product of its (nonzero) digits is 104976, while the sum is 40.

The spelling of 133309163803 in words is "one hundred thirty-three billion, three hundred nine million, one hundred sixty-three thousand, eight hundred three".