444420134 has 4 divisors (see below), whose sum is σ = 666630204. Its totient is φ = 222210066.

The previous prime is 444420121. The next prime is 444420167. The reversal of 444420134 is 431024444.

It is a happy number.

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

It is a super-3 number, since 3×444420134³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111105032 + ... + 111105035.

It is an arithmetic number, because the mean of its divisors is an integer number (166657551).

Almost surely, 2^444420134 is an apocalyptic number.

444420134 is a deficient number, since it is larger than the sum of its proper divisors (222210070).

444420134 is a wasteful number, since it uses less digits than its factorization.

444420134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222210069.

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

The square root of 444420134 is about 21081.2744870892. The cubic root of 444420134 is about 763.1289138592.

Adding to 444420134 its reverse (431024444), we get a palindrome (875444578).

The spelling of 444420134 in words is "four hundred forty-four million, four hundred twenty thousand, one hundred thirty-four".