132888990 has 64 divisors (see below), whose sum is σ = 346300416. Its totient is φ = 32441472.

The previous prime is 132888979. The next prime is 132888997. The reversal of 132888990 is 99888231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132888997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48189 + ... + 50871.

It is an arithmetic number, because the mean of its divisors is an integer number (5410944).

Almost surely, 2^132888990 is an apocalyptic number.

132888990 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 132888990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173150208).

132888990 is an abundant number, since it is smaller than the sum of its proper divisors (213411426).

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

132888990 is a wasteful number, since it uses less digits than its factorization.

132888990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833.

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 132888990 is about 11527.7486960811. The cubic root of 132888990 is about 510.3048158596.

The spelling of 132888990 in words is "one hundred thirty-two million, eight hundred eighty-eight thousand, nine hundred ninety".