134621344 has 144 divisors (see below), whose sum is σ = 327608064. Its totient is φ = 53913600.

The previous prime is 134621339. The next prime is 134621363. The reversal of 134621344 is 443126431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1844092 + ... + 1844164.

It is an arithmetic number, because the mean of its divisors is an integer number (2275056).

Almost surely, 2^134621344 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 134621344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163804032).

134621344 is an abundant number, since it is smaller than the sum of its proper divisors (192986720).

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

134621344 is a wasteful number, since it uses less digits than its factorization.

134621344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 130 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 134621344 is about 11602.6438366434. The cubic root of 134621344 is about 512.5127106901.

Adding to 134621344 its reverse (443126431), we get a palindrome (577747775).

The spelling of 134621344 in words is "one hundred thirty-four million, six hundred twenty-one thousand, three hundred forty-four".