128330716 has 12 divisors (see below), whose sum is σ = 224684488. Its totient is φ = 64135152.

The previous prime is 128330707. The next prime is 128330717. The reversal of 128330716 is 617033821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128330717) 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, 3955 + ... + 16501.

Almost surely, 2^128330716 is an apocalyptic number.

It is an amenable number.

128330716 is a deficient number, since it is larger than the sum of its proper divisors (96353772).

128330716 is a wasteful number, since it uses less digits than its factorization.

128330716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15108 (or 15106 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 128330716 is about 11328.3147908239. The cubic root of 128330716 is about 504.4020842353.

The spelling of 128330716 in words is "one hundred twenty-eight million, three hundred thirty thousand, seven hundred sixteen".