132323521530661 has 4 divisors (see below), whose sum is σ = 132801223774732. Its totient is φ = 131845819286592.

The previous prime is 132323521530623. The next prime is 132323521530667. The reversal of 132323521530661 is 166035125323231.

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 60585907853025 + 71737613677636 = 7783695^2 + 8469806^2 .

It is a cyclic number.

It is not a de Polignac number, because 132323521530661 - 2³⁷ = 132186082577189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132323521530667) 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, 238851121620 + ... + 238851122173.

It is an arithmetic number, because the mean of its divisors is an integer number (33200305943683).

Almost surely, 2^{132323521530661} is an apocalyptic number.

It is an amenable number.

132323521530661 is a deficient number, since it is larger than the sum of its proper divisors (477702244071).

132323521530661 is an equidigital number, since it uses as much as digits as its factorization.

132323521530661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477702244070.

The product of its (nonzero) digits is 583200, while the sum is 43.

Adding to 132323521530661 its reverse (166035125323231), we get a palindrome (298358646853892).

The spelling of 132323521530661 in words is "one hundred thirty-two trillion, three hundred twenty-three billion, five hundred twenty-one million, five hundred thirty thousand, six hundred sixty-one".