134881344 has 84 divisors (see below), whose sum is σ = 416375596. Its totient is φ = 41499648.

The previous prime is 134881339. The next prime is 134881363. The reversal of 134881344 is 443188431.

It can be written as a sum of positive squares in 2 ways, for example, as 75898944 + 58982400 = 8712^2 + 7680^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 134881299 and 134881308.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1519 + ... + 16494.

Almost surely, 2^134881344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134881344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208187798).

134881344 is an abundant number, since it is smaller than the sum of its proper divisors (281494252).

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

134881344 is a wasteful number, since it uses less digits than its factorization.

134881344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18044 (or 18031 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 134881344 is about 11613.8427748958. The cubic root of 134881344 is about 512.8424444624.

The spelling of 134881344 in words is "one hundred thirty-four million, eight hundred eighty-one thousand, three hundred forty-four".