132500421521 has 8 divisors (see below), whose sum is σ = 143305180200. Its totient is φ = 121783151232.

The previous prime is 132500421517. The next prime is 132500421523. The reversal of 132500421521 is 125124005231.

It can be written as a sum of positive squares in 4 ways, for example, as 12091421521 + 120409000000 = 109961^2 + 347000^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132500421521 - 2² = 132500421517 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (132500421523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21868946 + ... + 21875003.

It is an arithmetic number, because the mean of its divisors is an integer number (17913147525).

Almost surely, 2^132500421521 is an apocalyptic number.

It is an amenable number.

132500421521 is a deficient number, since it is larger than the sum of its proper divisors (10804758679).

132500421521 is a wasteful number, since it uses less digits than its factorization.

132500421521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43744195.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 132500421521 its reverse (125124005231), we get a palindrome (257624426752).

The spelling of 132500421521 in words is "one hundred thirty-two billion, five hundred million, four hundred twenty-one thousand, five hundred twenty-one".