134521344 has 160 divisors (see below), whose sum is σ = 410509440. Its totient is φ = 43462656.

The previous prime is 134521333. The next prime is 134521351. The reversal of 134521344 is 443125431.

It is a happy number.

134521344 is a `hidden beast` number, since 134 + 521 + 3 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 511357 + ... + 511619.

It is an arithmetic number, because the mean of its divisors is an integer number (2565684).

Almost surely, 2^134521344 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 134521344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205254720).

134521344 is an abundant number, since it is smaller than the sum of its proper divisors (275988096).

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

134521344 is an equidigital number, since it uses as much as digits as its factorization.

134521344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 305 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 134521344 is about 11598.3336734205. Note that the first 3 decimals coincide. The cubic root of 134521344 is about 512.3857769637.

Adding to 134521344 its reverse (443125431), we get a palindrome (577646775).

The spelling of 134521344 in words is "one hundred thirty-four million, five hundred twenty-one thousand, three hundred forty-four".