128676418 has 8 divisors (see below), whose sum is σ = 207861948. Its totient is φ = 59389104.

The previous prime is 128676413. The next prime is 128676437. The reversal of 128676418 is 814676821.

It can be written as a sum of positive squares in 2 ways, for example, as 128663649 + 12769 = 11343^2 + 113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (128676413) 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, 2474521 + ... + 2474572.

Almost surely, 2^128676418 is an apocalyptic number.

128676418 is a deficient number, since it is larger than the sum of its proper divisors (79185530).

128676418 is a wasteful number, since it uses less digits than its factorization.

128676418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949108.

The product of its digits is 129024, while the sum is 43.

The square root of 128676418 is about 11343.5628441861. The cubic root of 128676418 is about 504.8546037655.

The spelling of 128676418 in words is "one hundred twenty-eight million, six hundred seventy-six thousand, four hundred eighteen".