442134113 has 4 divisors (see below), whose sum is σ = 468142020. Its totient is φ = 416126208.

The previous prime is 442134101. The next prime is 442134131. The reversal of 442134113 is 311431244.

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

It can be written as a sum of positive squares in 2 ways, for example, as 263965009 + 178169104 = 16247^2 + 13348^2 .

It is a cyclic number.

It is not a de Polignac number, because 442134113 - 2¹⁶ = 442068577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442134163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13003928 + ... + 13003961.

It is an arithmetic number, because the mean of its divisors is an integer number (117035505).

Almost surely, 2^442134113 is an apocalyptic number.

It is an amenable number.

442134113 is a deficient number, since it is larger than the sum of its proper divisors (26007907).

442134113 is a wasteful number, since it uses less digits than its factorization.

442134113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26007906.

The product of its digits is 1152, while the sum is 23.

The square root of 442134113 is about 21026.9853521612. The cubic root of 442134113 is about 761.8181958006.

Adding to 442134113 its reverse (311431244), we get a palindrome (753565357).

The spelling of 442134113 in words is "four hundred forty-two million, one hundred thirty-four thousand, one hundred thirteen".