134402444 has 18 divisors (see below), whose sum is σ = 258531252. Its totient is φ = 61091800.

The previous prime is 134402441. The next prime is 134402461. The reversal of 134402444 is 444204431.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (134402441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138362 + ... + 139329.

Almost surely, 2^134402444 is an apocalyptic number.

It is an amenable number.

134402444 is a deficient number, since it is larger than the sum of its proper divisors (124128808).

134402444 is a wasteful number, since it uses less digits than its factorization.

134402444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277717 (or 277704 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 134402444 is about 11593.2068039865. The cubic root of 134402444 is about 512.2347708725.

Adding to 134402444 its reverse (444204431), we get a palindrome (578606875).

The spelling of 134402444 in words is "one hundred thirty-four million, four hundred two thousand, four hundred forty-four".