132873813217 has 4 divisors (see below), whose sum is σ = 136464997396. Its totient is φ = 129282629040.

The previous prime is 132873813173. The next prime is 132873813221. The reversal of 132873813217 is 712318378231.

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

It can be written as a sum of positive squares in 2 ways, for example, as 82529223841 + 50344589376 = 287279^2 + 224376^2 .

It is a cyclic number.

It is not a de Polignac number, because 132873813217 - 2¹⁵ = 132873780449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132873813517) 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, 1795592034 + ... + 1795592107.

It is an arithmetic number, because the mean of its divisors is an integer number (34116249349).

Almost surely, 2^132873813217 is an apocalyptic number.

It is an amenable number.

132873813217 is a deficient number, since it is larger than the sum of its proper divisors (3591184179).

132873813217 is an equidigital number, since it uses as much as digits as its factorization.

132873813217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591184178.

The product of its digits is 338688, while the sum is 46.

The spelling of 132873813217 in words is "one hundred thirty-two billion, eight hundred seventy-three million, eight hundred thirteen thousand, two hundred seventeen".