133203894497 has 16 divisors (see below), whose sum is σ = 134449235712. Its totient is φ = 131965545600.

The previous prime is 133203894413. The next prime is 133203894533. The reversal of 133203894497 is 794498302331.

It is a cyclic number.

It is not a de Polignac number, because 133203894497 - 2²⁶ = 133136785633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133203824497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75985373 + ... + 75987125.

It is an arithmetic number, because the mean of its divisors is an integer number (8403077232).

Almost surely, 2^133203894497 is an apocalyptic number.

It is an amenable number.

133203894497 is a deficient number, since it is larger than the sum of its proper divisors (1245341215).

133203894497 is a wasteful number, since it uses less digits than its factorization.

133203894497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 133203894497 in words is "one hundred thirty-three billion, two hundred three million, eight hundred ninety-four thousand, four hundred ninety-seven".