132432631521 has 4 divisors (see below), whose sum is σ = 176576842032. Its totient is φ = 88288421012.

The previous prime is 132432631489. The next prime is 132432631561. The reversal of 132432631521 is 125136234231.

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 132432631521 - 2⁵ = 132432631489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (132432631561) 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, 22072105251 + ... + 22072105256.

It is an arithmetic number, because the mean of its divisors is an integer number (44144210508).

Almost surely, 2^132432631521 is an apocalyptic number.

It is an amenable number.

132432631521 is a deficient number, since it is larger than the sum of its proper divisors (44144210511).

132432631521 is an equidigital number, since it uses as much as digits as its factorization.

132432631521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44144210510.

The product of its digits is 25920, while the sum is 33.

Adding to 132432631521 its reverse (125136234231), we get a palindrome (257568865752).

The spelling of 132432631521 in words is "one hundred thirty-two billion, four hundred thirty-two million, six hundred thirty-one thousand, five hundred twenty-one".