442135242133 has 8 divisors (see below), whose sum is σ = 476218664600. Its totient is φ = 408062251008.

The previous prime is 442135242121. The next prime is 442135242137. The reversal of 442135242133 is 331242531244.

It can be written as a sum of positive squares in 4 ways, for example, as 54027423844 + 388107818289 = 232438^2 + 622983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442135242133 - 2¹³ = 442135233941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442135242137) 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 7 ways as a sum of consecutive naturals, for example, 2519688 + ... + 2689441.

It is an arithmetic number, because the mean of its divisors is an integer number (59527333075).

Almost surely, 2^442135242133 is an apocalyptic number.

It is an amenable number.

442135242133 is a deficient number, since it is larger than the sum of its proper divisors (34083422467).

442135242133 is a wasteful number, since it uses less digits than its factorization.

442135242133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215671.

The product of its digits is 69120, while the sum is 34.

Adding to 442135242133 its reverse (331242531244), we get a palindrome (773377773377).

The spelling of 442135242133 in words is "four hundred forty-two billion, one hundred thirty-five million, two hundred forty-two thousand, one hundred thirty-three".