134479984 has 20 divisors (see below), whose sum is σ = 268960960. Its totient is φ = 65070720.

The previous prime is 134479981. The next prime is 134479987. The reversal of 134479984 is 489974431.

It is an interprime number because it is at equal distance from previous prime (134479981) and next prime (134479987).

134479984 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134479981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135069 + ... + 136060.

It is an arithmetic number, because the mean of its divisors is an integer number (13448048).

Almost surely, 2^134479984 is an apocalyptic number.

It is an amenable number.

134479984 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.

134479984 is a wasteful number, since it uses less digits than its factorization.

134479984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271168 (or 271162 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 134479984 is about 11596.5505215991. The cubic root of 134479984 is about 512.3332587848. Note that the first 3 decimals are identical.

The spelling of 134479984 in words is "one hundred thirty-four million, four hundred seventy-nine thousand, nine hundred eighty-four".