132143305304221 has 4 divisors (see below), whose sum is σ = 132143367683932. Its totient is φ = 132143242924512.

The previous prime is 132143305304083. The next prime is 132143305304237. The reversal of 132143305304221 is 122403503341231.

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 8502560287225 + 123640745016996 = 2915915^2 + 11119386^2 .

It is a cyclic number.

It is not a de Polignac number, because 132143305304221 - 2¹³ = 132143305296029 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 (132143305344221) 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, 27896376 + ... + 32287681.

It is an arithmetic number, because the mean of its divisors is an integer number (33035841920983).

Almost surely, 2^{132143305304221} is an apocalyptic number.

It is an amenable number.

132143305304221 is a deficient number, since it is larger than the sum of its proper divisors (62379711).

132143305304221 is an equidigital number, since it uses as much as digits as its factorization.

132143305304221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62379710.

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

Adding to 132143305304221 its reverse (122403503341231), we get a palindrome (254546808645452).

The spelling of 132143305304221 in words is "one hundred thirty-two trillion, one hundred forty-three billion, three hundred five million, three hundred four thousand, two hundred twenty-one".