132021409 has 8 divisors (see below), whose sum is σ = 144587520. Its totient is φ = 119799696.

The previous prime is 132021401. The next prime is 132021431. The reversal of 132021409 is 904120231.

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 132021409 - 2³ = 132021401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132021409.

It is not an unprimeable number, because it can be changed into a prime (132021401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85297 + ... + 86830.

It is an arithmetic number, because the mean of its divisors is an integer number (18073440).

Almost surely, 2^132021409 is an apocalyptic number.

It is an amenable number.

132021409 is a deficient number, since it is larger than the sum of its proper divisors (12566111).

132021409 is a wasteful number, since it uses less digits than its factorization.

132021409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172199.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 132021409 is about 11490.0569624350. The cubic root of 132021409 is about 509.1918624963.

The spelling of 132021409 in words is "one hundred thirty-two million, twenty-one thousand, four hundred nine".