132990 has 64 divisors (see below), whose sum is σ = 387072. Its totient is φ = 28800.

The previous prime is 132989. The next prime is 133013. The reversal of 132990 is 99231.

Added to its reverse (99231) it gives a triangular number (232221 = T₆₈₁).

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 132990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4275 + ... + 4305.

It is an arithmetic number, because the mean of its divisors is an integer number (6048).

2¹³²⁹⁹⁰ is an apocalyptic number.

132990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 132990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193536).

132990 is an abundant number, since it is smaller than the sum of its proper divisors (254082).

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

132990 is a wasteful number, since it uses less digits than its factorization.

132990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 132990 is about 364.6779401061. The cubic root of 132990 is about 51.0434078725.

Adding to 132990 its reverse (99231), we get a triangular number (232221 = T₆₈₁).

It can be divided in two parts, 13 and 2990, that added together give a palindrome (3003).

The spelling of 132990 in words is "one hundred thirty-two thousand, nine hundred ninety".