140312021531144 has 16 divisors (see below), whose sum is σ = 266688945034620. Its totient is φ = 69194969521920.

The previous prime is 140312021531117. The next prime is 140312021531159. The reversal of 140312021531144 is 441135120213041.

140312021531144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 116907345016900 + 23404676514244 = 10812370^2 + 4837838^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140312021531144.

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, 120130154837 + ... + 120130156004.

Almost surely, 2^{140312021531144} is an apocalyptic number.

It is an amenable number.

140312021531144 is a deficient number, since it is larger than the sum of its proper divisors (126376923503476).

140312021531144 is a wasteful number, since it uses less digits than its factorization.

140312021531144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240260310920 (or 240260310916 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 140312021531144 its reverse (441135120213041), we get a palindrome (581447141744185).

The spelling of 140312021531144 in words is "one hundred forty trillion, three hundred twelve billion, twenty-one million, five hundred thirty-one thousand, one hundred forty-four".