140440313031442 has 8 divisors (see below), whose sum is σ = 210702110295600. Its totient is φ = 70206276266244.

The previous prime is 140440313031437. The next prime is 140440313031457. The reversal of 140440313031442 is 244130313044041.

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

It is a junction number, because it is equal to n+sod(n) for n = 140440313031398 and 140440313031407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6940112092 + ... + 6940132327.

It is an arithmetic number, because the mean of its divisors is an integer number (26337763786950).

Almost surely, 2^{140440313031442} is an apocalyptic number.

140440313031442 is a deficient number, since it is larger than the sum of its proper divisors (70261797264158).

140440313031442 is a wasteful number, since it uses less digits than its factorization.

140440313031442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13880249480.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 140440313031442 its reverse (244130313044041), we get a palindrome (384570626075483).

The spelling of 140440313031442 in words is "one hundred forty trillion, four hundred forty billion, three hundred thirteen million, thirty-one thousand, four hundred forty-two".