444002134 has 4 divisors (see below), whose sum is σ = 666003204. Its totient is φ = 222001066.

The previous prime is 444002131. The next prime is 444002159. The reversal of 444002134 is 431200444.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444002131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111000532 + ... + 111000535.

It is an arithmetic number, because the mean of its divisors is an integer number (166500801).

Almost surely, 2^444002134 is an apocalyptic number.

444002134 is a deficient number, since it is larger than the sum of its proper divisors (222001070).

444002134 is a wasteful number, since it uses less digits than its factorization.

444002134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222001069.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 444002134 is about 21071.3581432237. The cubic root of 444002134 is about 762.8895848084.

Adding to 444002134 its reverse (431200444), we get a palindrome (875202578).

The spelling of 444002134 in words is "four hundred forty-four million, two thousand, one hundred thirty-four".