132661404 has 108 divisors (see below), whose sum is σ = 366086448. Its totient is φ = 40473600.

The previous prime is 132661381. The next prime is 132661409. The reversal of 132661404 is 404166231.

It is a super-2 number, since 2×132661404² = 35198096222502432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132661409) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 426409 + ... + 426719.

Almost surely, 2^132661404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132661404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183043224).

132661404 is an abundant number, since it is smaller than the sum of its proper divisors (233425044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132661404 is a wasteful number, since it uses less digits than its factorization.

132661404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 132661404 is about 11517.8732411848. The cubic root of 132661404 is about 510.0133329848.

The spelling of 132661404 in words is "one hundred thirty-two million, six hundred sixty-one thousand, four hundred four".