132252020332621 has 4 divisors (see below), whose sum is σ = 151145166094432. Its totient is φ = 113358874570812.

The previous prime is 132252020332543. The next prime is 132252020332637. The reversal of 132252020332621 is 126233020252231.

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 132252020332621 - 2³⁹ = 131702264518733 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 (132252020332661) 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, 9446572880895 + ... + 9446572880908.

It is an arithmetic number, because the mean of its divisors is an integer number (37786291523608).

Almost surely, 2^{132252020332621} is an apocalyptic number.

It is an amenable number.

132252020332621 is a deficient number, since it is larger than the sum of its proper divisors (18893145761811).

132252020332621 is an equidigital number, since it uses as much as digits as its factorization.

132252020332621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18893145761810.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 132252020332621 its reverse (126233020252231), we get a palindrome (258485040584852).

The spelling of 132252020332621 in words is "one hundred thirty-two trillion, two hundred fifty-two billion, twenty million, three hundred thirty-two thousand, six hundred twenty-one".