128534196 has 36 divisors (see below), whose sum is σ = 343035168. Its totient is φ = 36694368.

The previous prime is 128534191. The next prime is 128534213. The reversal of 128534196 is 691435821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128534191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103290 + ... + 104526.

Almost surely, 2^128534196 is an apocalyptic number.

It is an amenable number.

128534196 is an abundant number, since it is smaller than the sum of its proper divisors (214500972).

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

128534196 is an equidigital number, since it uses as much as digits as its factorization.

128534196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488 (or 1249 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 128534196 is about 11337.2922693207. The cubic root of 128534196 is about 504.6685352221.

The spelling of 128534196 in words is "one hundred twenty-eight million, five hundred thirty-four thousand, one hundred ninety-six".