134644158 has 96 divisors (see below), whose sum is σ = 333590400. Its totient is φ = 38875200.

The previous prime is 134644151. The next prime is 134644163. The reversal of 134644158 is 851446431.

134644158 is a `hidden beast` number, since 1 + 3 + 4 + 644 + 1 + 5 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134644151) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 752113 + ... + 752291.

It is an arithmetic number, because the mean of its divisors is an integer number (3474900).

Almost surely, 2^134644158 is an apocalyptic number.

134644158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 134644158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166795200).

134644158 is an abundant number, since it is smaller than the sum of its proper divisors (198946242).

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

134644158 is a wasteful number, since it uses less digits than its factorization.

134644158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 355 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 134644158 is about 11603.6269329895. The cubic root of 134644158 is about 512.5416605436.

The spelling of 134644158 in words is "one hundred thirty-four million, six hundred forty-four thousand, one hundred fifty-eight".