132591888 has 240 divisors, whose sum is σ = 448471296. Its totient is φ = 36034560.

The previous prime is 132591887. The next prime is 132591931. The reversal of 132591888 is 888195231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (132591883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 967756 + ... + 967892.

Almost surely, 2^132591888 is an apocalyptic number.

132591888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132591888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224235648).

132591888 is an abundant number, since it is smaller than the sum of its proper divisors (315879408).

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

132591888 is a wasteful number, since it uses less digits than its factorization.

132591888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 213 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 132591888 is about 11514.8551011291. The cubic root of 132591888 is about 509.9242332658.

It can be divided in two parts, 1325918 and 88, that added together give a triangular number (1326006 = T₁₆₂₈).

The spelling of 132591888 in words is "one hundred thirty-two million, five hundred ninety-one thousand, eight hundred eighty-eight".