134889188 has 12 divisors (see below), whose sum is σ = 269778432. Its totient is φ = 57809640.

The previous prime is 134889149. The next prime is 134889191. The reversal of 134889188 is 881988431.

134889188 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2408708 + ... + 2408763.

It is an arithmetic number, because the mean of its divisors is an integer number (22481536).

Almost surely, 2^134889188 is an apocalyptic number.

It is an amenable number.

134889188 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

134889188 is a wasteful number, since it uses less digits than its factorization.

134889188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4817482 (or 4817480 counting only the distinct ones).

The product of its digits is 442368, while the sum is 50.

The square root of 134889188 is about 11614.1804704422. The cubic root of 134889188 is about 512.8523856893.

The spelling of 134889188 in words is "one hundred thirty-four million, eight hundred eighty-nine thousand, one hundred eighty-eight".