133183734761243 has 4 divisors (see below), whose sum is σ = 133186185433560. Its totient is φ = 133181284088928.

The previous prime is 133183734761219. The next prime is 133183734761387. The reversal of 133183734761243 is 342167437381331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133183734761243 - 2³⁶ = 133115015284507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133183734760243) 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, 1225254638 + ... + 1225363331.

It is an arithmetic number, because the mean of its divisors is an integer number (33296546358390).

Almost surely, 2^{133183734761243} is an apocalyptic number.

133183734761243 is a deficient number, since it is larger than the sum of its proper divisors (2450672317).

133183734761243 is an equidigital number, since it uses as much as digits as its factorization.

133183734761243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450672316.

The product of its digits is 18289152, while the sum is 56.

The spelling of 133183734761243 in words is "one hundred thirty-three trillion, one hundred eighty-three billion, seven hundred thirty-four million, seven hundred sixty-one thousand, two hundred forty-three".