128634076 has 6 divisors (see below), whose sum is σ = 225109640. Its totient is φ = 64317036.

The previous prime is 128634073. The next prime is 128634119. The reversal of 128634076 is 670436821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128634073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16079256 + ... + 16079263.

Almost surely, 2^128634076 is an apocalyptic number.

It is an amenable number.

128634076 is a deficient number, since it is larger than the sum of its proper divisors (96475564).

128634076 is a wasteful number, since it uses less digits than its factorization.

128634076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32158523 (or 32158521 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 128634076 is about 11341.6963457853. The cubic root of 128634076 is about 504.7992222146.

The spelling of 128634076 in words is "one hundred twenty-eight million, six hundred thirty-four thousand, seventy-six".