442134240113 has 4 divisors (see below), whose sum is σ = 461357467968. Its totient is φ = 422911012260.

The previous prime is 442134240089. The next prime is 442134240137. The reversal of 442134240113 is 311042431244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (442134240089) and next prime (442134240137).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442134240113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442134240193) 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 in 3 ways as a sum of consecutive naturals, for example, 9611613893 + ... + 9611613938.

It is an arithmetic number, because the mean of its divisors is an integer number (115339366992).

Almost surely, 2^442134240113 is an apocalyptic number.

It is an amenable number.

442134240113 is a deficient number, since it is larger than the sum of its proper divisors (19223227855).

442134240113 is a wasteful number, since it uses less digits than its factorization.

442134240113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19223227854.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 442134240113 its reverse (311042431244), we get a palindrome (753176671357).

The spelling of 442134240113 in words is "four hundred forty-two billion, one hundred thirty-four million, two hundred forty thousand, one hundred thirteen".