128036132 has 48 divisors (see below), whose sum is σ = 266340480. Its totient is φ = 52710912.

The previous prime is 128036113. The next prime is 128036137. The reversal of 128036132 is 231630821.

It is not an unprimeable number, because it can be changed into a prime (128036137) 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 15 ways as a sum of consecutive naturals, for example, 85244 + ... + 86732.

It is an arithmetic number, because the mean of its divisors is an integer number (5548760).

Almost surely, 2^128036132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128036132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133170240).

128036132 is an abundant number, since it is smaller than the sum of its proper divisors (138304348).

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

128036132 is a wasteful number, since it uses less digits than its factorization.

128036132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620 (or 1618 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 128036132 is about 11315.3052102009. The cubic root of 128036132 is about 504.0158357752.

Adding to 128036132 its reverse (231630821), we get a palindrome (359666953).

The spelling of 128036132 in words is "one hundred twenty-eight million, thirty-six thousand, one hundred thirty-two".