128930661422 has 8 divisors (see below), whose sum is σ = 193432629072. Its totient is φ = 64453118400.

The previous prime is 128930661389. The next prime is 128930661473. The reversal of 128930661422 is 224166039821.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6092954 + ... + 6114077.

It is an arithmetic number, because the mean of its divisors is an integer number (24179078634).

Almost surely, 2^128930661422 is an apocalyptic number.

128930661422 is a deficient number, since it is larger than the sum of its proper divisors (64501967650).

128930661422 is a wasteful number, since it uses less digits than its factorization.

128930661422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12212314.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 128930661422 in words is "one hundred twenty-eight billion, nine hundred thirty million, six hundred sixty-one thousand, four hundred twenty-two".