140321224144 has 20 divisors (see below), whose sum is σ = 273856845924. Its totient is φ = 69648489728.

The previous prime is 140321224139. The next prime is 140321224171. The reversal of 140321224144 is 441422123041.

It can be written as a sum of positive squares in 2 ways, for example, as 25408360000 + 114912864144 = 159400^2 + 338988^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32005387 + ... + 32009770.

Almost surely, 2^140321224144 is an apocalyptic number.

It is an amenable number.

140321224144 is a deficient number, since it is larger than the sum of its proper divisors (133535621780).

140321224144 is a wasteful number, since it uses less digits than its factorization.

140321224144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64015302 (or 64015296 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 140321224144 its reverse (441422123041), we get a palindrome (581743347185).

The spelling of 140321224144 in words is "one hundred forty billion, three hundred twenty-one million, two hundred twenty-four thousand, one hundred forty-four".