132128708 has 12 divisors (see below), whose sum is σ = 232219260. Its totient is φ = 65780352.

The previous prime is 132128701. The next prime is 132128719. The reversal of 132128708 is 807821231.

It can be written as a sum of positive squares in 2 ways, for example, as 61434244 + 70694464 = 7838^2 + 8408^2 .

It is not an unprimeable number, because it can be changed into a prime (132128701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69953 + ... + 71816.

It is an arithmetic number, because the mean of its divisors is an integer number (19351605).

Almost surely, 2^132128708 is an apocalyptic number.

It is an amenable number.

132128708 is a deficient number, since it is larger than the sum of its proper divisors (100090552).

132128708 is a wasteful number, since it uses less digits than its factorization.

132128708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142006 (or 142004 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 132128708 is about 11494.7252250761. The cubic root of 132128708 is about 509.3297719036.

Adding to 132128708 its reverse (807821231), we get a palindrome (939949939).

The spelling of 132128708 in words is "one hundred thirty-two million, one hundred twenty-eight thousand, seven hundred eight".