128872450804134 has 16 divisors (see below), whose sum is σ = 257756758205760. Its totient is φ = 42955507501800.

The previous prime is 128872450804117. The next prime is 128872450804159. The reversal of 128872450804134 is 431408054278821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493883592 + ... + 494144459.

It is an arithmetic number, because the mean of its divisors is an integer number (16109797387860).

Almost surely, 2^{128872450804134} is an apocalyptic number.

128872450804134 is an abundant number, since it is smaller than the sum of its proper divisors (128884307401626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128872450804134 is a wasteful number, since it uses less digits than its factorization.

128872450804134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988049795.

The product of its (nonzero) digits is 13762560, while the sum is 57.

The spelling of 128872450804134 in words is "one hundred twenty-eight trillion, eight hundred seventy-two billion, four hundred fifty million, eight hundred four thousand, one hundred thirty-four".