134403444 has 72 divisors (see below), whose sum is σ = 405175680. Its totient is φ = 36729792.

The previous prime is 134403391. The next prime is 134403469. The reversal of 134403444 is 444304431.

It is a super-2 number, since 2×134403444² = 36128571518122272, which contains 22 as substring.

134403444 is a modest number, since divided by 3444 gives 1344 as remainder.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 5799 + ... + 17390.

It is an arithmetic number, because the mean of its divisors is an integer number (5627440).

Almost surely, 2^134403444 is an apocalyptic number.

134403444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

134403444 is an abundant number, since it is smaller than the sum of its proper divisors (270772236).

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

134403444 is a wasteful number, since it uses less digits than its factorization.

134403444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23229 (or 23224 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 134403444 is about 11593.2499326116. The cubic root of 134403444 is about 512.2360412698.

Adding to 134403444 its reverse (444304431), we get a palindrome (578707875).

The spelling of 134403444 in words is "one hundred thirty-four million, four hundred three thousand, four hundred forty-four".