134918420 has 48 divisors (see below), whose sum is σ = 348716928. Its totient is φ = 42698880.

The previous prime is 134918401. The next prime is 134918447. The reversal of 134918420 is 24819431.

It is a happy number.

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, 35246 + ... + 38885.

It is an arithmetic number, because the mean of its divisors is an integer number (7264936).

Almost surely, 2^134918420 is an apocalyptic number.

134918420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134918420 is an abundant number, since it is smaller than the sum of its proper divisors (213798508).

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

134918420 is a wasteful number, since it uses less digits than its factorization.

134918420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74160 (or 74158 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 134918420 is about 11615.4388638570. The cubic root of 134918420 is about 512.8894299683.

The spelling of 134918420 in words is "one hundred thirty-four million, nine hundred eighteen thousand, four hundred twenty".