134847920 has 20 divisors (see below), whose sum is σ = 313521600. Its totient is φ = 53939136.

The previous prime is 134847917. The next prime is 134847971. The reversal of 134847920 is 29748431.

134847920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842720 + ... + 842879.

It is an arithmetic number, because the mean of its divisors is an integer number (15676080).

Almost surely, 2^134847920 is an apocalyptic number.

134847920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134847920 is an abundant number, since it is smaller than the sum of its proper divisors (178673680).

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

134847920 is a wasteful number, since it uses less digits than its factorization.

134847920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685612 (or 1685606 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 134847920 is about 11612.4037132714. The cubic root of 134847920 is about 512.8000796662.

The spelling of 134847920 in words is "one hundred thirty-four million, eight hundred forty-seven thousand, nine hundred twenty".