132433621 has 8 divisors (see below), whose sum is σ = 140436504. Its totient is φ = 124454400.

The previous prime is 132433603. The next prime is 132433663. The reversal of 132433621 is 126334231.

It can be written as a sum of positive squares in 4 ways, for example, as 18584721 + 113848900 = 4311^2 + 10670^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132433621 - 2⁹ = 132433109 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 (132433681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6361 + ... + 17473.

It is an arithmetic number, because the mean of its divisors is an integer number (17554563).

Almost surely, 2^132433621 is an apocalyptic number.

It is an amenable number.

132433621 is a deficient number, since it is larger than the sum of its proper divisors (8002883).

132433621 is a wasteful number, since it uses less digits than its factorization.

132433621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11831.

The product of its digits is 2592, while the sum is 25.

The square root of 132433621 is about 11507.9807525039. The cubic root of 132433621 is about 509.7212638088.

Adding to 132433621 its reverse (126334231), we get a palindrome (258767852).

The spelling of 132433621 in words is "one hundred thirty-two million, four hundred thirty-three thousand, six hundred twenty-one".