134854986 has 64 divisors (see below), whose sum is σ = 320495616. Its totient is φ = 37027200.

The previous prime is 134854963. The next prime is 134855023. The reversal of 134854986 is 689458431.

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 31 ways as a sum of consecutive naturals, for example, 121711 + ... + 122813.

It is an arithmetic number, because the mean of its divisors is an integer number (5007744).

Almost surely, 2^134854986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134854986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160247808).

134854986 is an abundant number, since it is smaller than the sum of its proper divisors (185640630).

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

134854986 is a wasteful number, since it uses less digits than its factorization.

134854986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227.

The product of its digits is 829440, while the sum is 48.

The square root of 134854986 is about 11612.7079529281. The cubic root of 134854986 is about 512.8090363785.

The spelling of 134854986 in words is "one hundred thirty-four million, eight hundred fifty-four thousand, nine hundred eighty-six".