132889986 has 36 divisors (see below), whose sum is σ = 305328582. Its totient is φ = 41627712.

The previous prime is 132889973. The next prime is 132889993. The reversal of 132889986 is 689988231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 97713225 + 35176761 = 9885^2 + 5931^2 .

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 201325 + ... + 201983.

Almost surely, 2^132889986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132889986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152664291).

132889986 is an abundant number, since it is smaller than the sum of its proper divisors (172438596).

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

132889986 is an equidigital number, since it uses as much as digits as its factorization.

132889986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343 (or 681 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 132889986 is about 11527.7918961092. The cubic root of 132889986 is about 510.3060907641.

The spelling of 132889986 in words is "one hundred thirty-two million, eight hundred eighty-nine thousand, nine hundred eighty-six".