440312142133 has 8 divisors (see below), whose sum is σ = 444370469400. Its totient is φ = 436254156288.

The previous prime is 440312142121. The next prime is 440312142239. The reversal of 440312142133 is 331241213044.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 286414421329 + 153897720804 = 535177^2 + 392298^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440312142133 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 (440312142113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3025485 + ... + 3167677.

It is an arithmetic number, because the mean of its divisors is an integer number (55546308675).

Almost surely, 2^440312142133 is an apocalyptic number.

It is an amenable number.

440312142133 is a deficient number, since it is larger than the sum of its proper divisors (4058327267).

440312142133 is a wasteful number, since it uses less digits than its factorization.

440312142133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170711.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 440312142133 its reverse (331241213044), we get a palindrome (771553355177).

The spelling of 440312142133 in words is "four hundred forty billion, three hundred twelve million, one hundred forty-two thousand, one hundred thirty-three".