128002634553386 has 32 divisors (see below), whose sum is σ = 196394328480000. Its totient is φ = 62556796590912.

The previous prime is 128002634553331. The next prime is 128002634553407. The reversal of 128002634553386 is 683355436200821.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685361 + ... + 16014836.

It is an arithmetic number, because the mean of its divisors is an integer number (6137322765000).

Almost surely, 2^{128002634553386} is an apocalyptic number.

128002634553386 is a deficient number, since it is larger than the sum of its proper divisors (68391693926614).

128002634553386 is a wasteful number, since it uses less digits than its factorization.

128002634553386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16700766.

The product of its (nonzero) digits is 24883200, while the sum is 56.

The spelling of 128002634553386 in words is "one hundred twenty-eight trillion, two billion, six hundred thirty-four million, five hundred fifty-three thousand, three hundred eighty-six".