128145932 has 24 divisors (see below), whose sum is σ = 237867840. Its totient is φ = 60197120.

The previous prime is 128145929. The next prime is 128145943. The reversal of 128145932 is 239541821.

It is a junction number, because it is equal to n+sod(n) for n = 128145892 and 128145901.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 47582 + ... + 50202.

It is an arithmetic number, because the mean of its divisors is an integer number (9911160).

Almost surely, 2^128145932 is an apocalyptic number.

It is an amenable number.

128145932 is a deficient number, since it is larger than the sum of its proper divisors (109721908).

128145932 is a wasteful number, since it uses less digits than its factorization.

128145932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361 (or 3359 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 128145932 is about 11320.1560059921. The cubic root of 128145932 is about 504.1598709676.

The spelling of 128145932 in words is "one hundred twenty-eight million, one hundred forty-five thousand, nine hundred thirty-two".