132446409 has 8 divisors (see below), whose sum is σ = 176665152. Its totient is φ = 88262640.

The previous prime is 132446387. The next prime is 132446411. The reversal of 132446409 is 904644231.

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

It is not a de Polignac number, because 132446409 - 2¹² = 132442313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132446409.

It is not an unprimeable number, because it can be changed into a prime (132446459) 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, 1972 + ... + 16394.

It is an arithmetic number, because the mean of its divisors is an integer number (22083144).

Almost surely, 2^132446409 is an apocalyptic number.

It is an amenable number.

132446409 is a deficient number, since it is larger than the sum of its proper divisors (44218743).

132446409 is a wasteful number, since it uses less digits than its factorization.

132446409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17487.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 132446409 is about 11508.5363535073. The cubic root of 132446409 is about 509.7376697781.

The spelling of 132446409 in words is "one hundred thirty-two million, four hundred forty-six thousand, four hundred nine".