128646253013234 has 64 divisors (see below), whose sum is σ = 218349589248000. Its totient is φ = 56348478239040.

The previous prime is 128646253013191. The next prime is 128646253013273. The reversal of 128646253013234 is 432310352646821.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9740492 + ... + 18766184.

It is an arithmetic number, because the mean of its divisors is an integer number (3411712332000).

Almost surely, 2^{128646253013234} is an apocalyptic number.

128646253013234 is a deficient number, since it is larger than the sum of its proper divisors (89703336234766).

128646253013234 is a wasteful number, since it uses less digits than its factorization.

128646253013234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9025983.

The product of its (nonzero) digits is 4976640, while the sum is 50.

The spelling of 128646253013234 in words is "one hundred twenty-eight trillion, six hundred forty-six billion, two hundred fifty-three million, thirteen thousand, two hundred thirty-four".