132449661 has 10 divisors (see below), whose sum is σ = 197857022. Its totient is φ = 88299720.

The previous prime is 132449659. The next prime is 132449743. The reversal of 132449661 is 166944231.

It can be written as a sum of positive squares in only one way, i.e., 110124036 + 22325625 = 10494^2 + 4725^2 .

It is not a de Polignac number, because 132449661 - 2¹ = 132449659 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 (132449621) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 817510 + ... + 817671.

Almost surely, 2^132449661 is an apocalyptic number.

It is an amenable number.

132449661 is a deficient number, since it is larger than the sum of its proper divisors (65407361).

132449661 is an equidigital number, since it uses as much as digits as its factorization.

132449661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635193 (or 1635184 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 132449661 is about 11508.6776390687. The cubic root of 132449661 is about 509.7418416625.

The spelling of 132449661 in words is "one hundred thirty-two million, four hundred forty-nine thousand, six hundred sixty-one".