132336221 has 4 divisors (see below), whose sum is σ = 133507452. Its totient is φ = 131164992.

The previous prime is 132336203. The next prime is 132336223. The reversal of 132336221 is 122633231.

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 29008996 + 103327225 = 5386^2 + 10165^2 .

It is a cyclic number.

It is not a de Polignac number, because 132336221 - 2¹⁸ = 132074077 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 (132336223) 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, 585446 + ... + 585671.

It is an arithmetic number, because the mean of its divisors is an integer number (33376863).

Almost surely, 2^132336221 is an apocalyptic number.

It is an amenable number.

132336221 is a deficient number, since it is larger than the sum of its proper divisors (1171231).

132336221 is a wasteful number, since it uses less digits than its factorization.

132336221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171230.

The product of its digits is 1296, while the sum is 23.

The square root of 132336221 is about 11503.7481283276. The cubic root of 132336221 is about 509.5962728213.

Adding to 132336221 its reverse (122633231), we get a palindrome (254969452).

The spelling of 132336221 in words is "one hundred thirty-two million, three hundred thirty-six thousand, two hundred twenty-one".