132238873538 has 18 divisors (see below), whose sum is σ = 202705546323. Its totient is φ = 64700811940.

The previous prime is 132238873531. The next prime is 132238873549. The reversal of 132238873538 is 835378832231.

132238873538 = T₄₂₂ + T₄₂₃ + ... + T₉₂₅₇.

It can be written as a sum of positive squares in only one way, i.e., 66119436769 + 66119436769 = 257137^2 + 257137^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=257137.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132238873538.

It is not an unprimeable number, because it can be changed into a prime (132238873531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24168143 + ... + 24173613.

Almost surely, 2^132238873538 is an apocalyptic number.

132238873538 is a deficient number, since it is larger than the sum of its proper divisors (70466672785).

132238873538 is an frugal number, since it uses more digits than its factorization.

132238873538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11038 (or 5520 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 53.

The spelling of 132238873538 in words is "one hundred thirty-two billion, two hundred thirty-eight million, eight hundred seventy-three thousand, five hundred thirty-eight".