132888989 has 4 divisors (see below), whose sum is σ = 132912156. Its totient is φ = 132865824.

The previous prime is 132888979. The next prime is 132888997. The reversal of 132888989 is 989888231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 128436889 + 4452100 = 11333^2 + 2110^2 .

It is a cyclic number.

It is not a de Polignac number, because 132888989 - 2²⁰ = 131840413 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 (132888979) 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 3 ways as a sum of consecutive naturals, for example, 4097 + ... + 16809.

It is an arithmetic number, because the mean of its divisors is an integer number (33228039).

Almost surely, 2^132888989 is an apocalyptic number.

It is an amenable number.

132888989 is a deficient number, since it is larger than the sum of its proper divisors (23167).

132888989 is a wasteful number, since it uses less digits than its factorization.

132888989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23166.

The product of its digits is 1990656, while the sum is 56.

The square root of 132888989 is about 11527.7486527075. The cubic root of 132888989 is about 510.3048145796.

The spelling of 132888989 in words is "one hundred thirty-two million, eight hundred eighty-eight thousand, nine hundred eighty-nine".