140440321124 has 12 divisors (see below), whose sum is σ = 245830113900. Its totient is φ = 70203145728.

The previous prime is 140440321037. The next prime is 140440321141. The reversal of 140440321124 is 421123044041.

It can be written as a sum of positive squares in 2 ways, for example, as 33458994724 + 106981326400 = 182918^2 + 327080^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140440321093 and 140440321102.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4235129 + ... + 4268160.

It is an arithmetic number, because the mean of its divisors is an integer number (20485842825).

Almost surely, 2^140440321124 is an apocalyptic number.

It is an amenable number.

140440321124 is a deficient number, since it is larger than the sum of its proper divisors (105389792776).

140440321124 is a wasteful number, since it uses less digits than its factorization.

140440321124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8507422 (or 8507420 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 140440321124 its reverse (421123044041), we get a palindrome (561563365165).

The spelling of 140440321124 in words is "one hundred forty billion, four hundred forty million, three hundred twenty-one thousand, one hundred twenty-four".