132340221 has 12 divisors (see below), whose sum is σ = 205862748. Its totient is φ = 81440064.

The previous prime is 132340211. The next prime is 132340259. The reversal of 132340221 is 122043231.

It can be written as a sum of positive squares in 2 ways, for example, as 66243321 + 66096900 = 8139^2 + 8130^2 .

It is not a de Polignac number, because 132340221 - 2⁹ = 132339709 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 132340194 and 132340203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132340211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565440 + ... + 565673.

It is an arithmetic number, because the mean of its divisors is an integer number (17155229).

Almost surely, 2^132340221 is an apocalyptic number.

It is an amenable number.

132340221 is a deficient number, since it is larger than the sum of its proper divisors (73522527).

132340221 is a wasteful number, since it uses less digits than its factorization.

132340221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131132 (or 1131129 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 132340221 is about 11503.9219833933. The cubic root of 132340221 is about 509.6014071288.

Adding to 132340221 its reverse (122043231), we get a palindrome (254383452).

The spelling of 132340221 in words is "one hundred thirty-two million, three hundred forty thousand, two hundred twenty-one".