128134674 has 24 divisors (see below), whose sum is σ = 279469632. Its totient is φ = 42427800.

The previous prime is 128134667. The next prime is 128134691. The reversal of 128134674 is 476431821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20854 + ... + 26289.

It is an arithmetic number, because the mean of its divisors is an integer number (11644568).

Almost surely, 2^128134674 is an apocalyptic number.

128134674 is an abundant number, since it is smaller than the sum of its proper divisors (151334958).

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

128134674 is a wasteful number, since it uses less digits than its factorization.

128134674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47302 (or 47299 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 128134674 is about 11319.6587404391. The cubic root of 128134674 is about 504.1451065555.

The spelling of 128134674 in words is "one hundred twenty-eight million, one hundred thirty-four thousand, six hundred seventy-four".