134475984 has 80 divisors (see below), whose sum is σ = 408723840. Its totient is φ = 42186240.

The previous prime is 134475973. The next prime is 134476037. The reversal of 134475984 is 489574431.

134475984 is a `hidden beast` number, since 13 + 4 + 47 + 598 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1812 + ... + 16499.

It is an arithmetic number, because the mean of its divisors is an integer number (5109048).

Almost surely, 2^134475984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134475984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204361920).

134475984 is an abundant number, since it is smaller than the sum of its proper divisors (274247856).

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

134475984 is a wasteful number, since it uses less digits than its factorization.

134475984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18345 (or 18333 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 134475984 is about 11596.3780552378. The cubic root of 134475984 is about 512.3281790862.

The spelling of 134475984 in words is "one hundred thirty-four million, four hundred seventy-five thousand, nine hundred eighty-four".