128937196 has 6 divisors (see below), whose sum is σ = 225640100. Its totient is φ = 64468596.

The previous prime is 128937191. The next prime is 128937203. The reversal of 128937196 is 691739821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (128937191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16117146 + ... + 16117153.

Almost surely, 2^128937196 is an apocalyptic number.

It is an amenable number.

128937196 is a deficient number, since it is larger than the sum of its proper divisors (96702904).

128937196 is a wasteful number, since it uses less digits than its factorization.

128937196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32234303 (or 32234301 counting only the distinct ones).

The product of its digits is 163296, while the sum is 46.

The square root of 128937196 is about 11355.0515630709. The cubic root of 128937196 is about 505.1954228468.

The spelling of 128937196 in words is "one hundred twenty-eight million, nine hundred thirty-seven thousand, one hundred ninety-six".