134400444 has 24 divisors (see below), whose sum is σ = 318019968. Its totient is φ = 44168880.

The previous prime is 134400439. The next prime is 134400467. The reversal of 134400444 is 444004431.

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 7 ways as a sum of consecutive naturals, for example, 78022 + ... + 79725.

It is an arithmetic number, because the mean of its divisors is an integer number (13250832).

Almost surely, 2^134400444 is an apocalyptic number.

It is an amenable number.

134400444 is an abundant number, since it is smaller than the sum of its proper divisors (183619524).

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

134400444 is a wasteful number, since it uses less digits than its factorization.

134400444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157825 (or 157823 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 134400444 is about 11593.1205462550. The cubic root of 134400444 is about 512.2322300590.

Adding to 134400444 its reverse (444004431), we get a palindrome (578404875).

The spelling of 134400444 in words is "one hundred thirty-four million, four hundred thousand, four hundred forty-four".