133513830717 has 4 divisors (see below), whose sum is σ = 178018440960. Its totient is φ = 89009220476.

The previous prime is 133513830691. The next prime is 133513830721. The reversal of 133513830717 is 717038315331.

It is a happy number.

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 not a de Polignac number, because 133513830717 - 2⁷ = 133513830589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133513830757) 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, 22252305117 + ... + 22252305122.

It is an arithmetic number, because the mean of its divisors is an integer number (44504610240).

Almost surely, 2^133513830717 is an apocalyptic number.

It is an amenable number.

133513830717 is a deficient number, since it is larger than the sum of its proper divisors (44504610243).

133513830717 is an equidigital number, since it uses as much as digits as its factorization.

133513830717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44504610242.

The product of its (nonzero) digits is 158760, while the sum is 42.

The spelling of 133513830717 in words is "one hundred thirty-three billion, five hundred thirteen million, eight hundred thirty thousand, seven hundred seventeen".