128039192 has 8 divisors (see below), whose sum is σ = 240073500. Its totient is φ = 64019592.

The previous prime is 128039173. The next prime is 128039201. The reversal of 128039192 is 291930821.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 8002442 + ... + 8002457.

Almost surely, 2^128039192 is an apocalyptic number.

It is an amenable number.

128039192 is a deficient number, since it is larger than the sum of its proper divisors (112034308).

128039192 is a wasteful number, since it uses less digits than its factorization.

128039192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16004905 (or 16004901 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 128039192 is about 11315.4404244819. The cubic root of 128039192 is about 504.0198509860.

The spelling of 128039192 in words is "one hundred twenty-eight million, thirty-nine thousand, one hundred ninety-two".