140432263144 has 8 divisors (see below), whose sum is σ = 263310493410. Its totient is φ = 70216131568.

The previous prime is 140432263123. The next prime is 140432263159. The reversal of 140432263144 is 441362234041.

140432263144 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 only one way, i.e., 138263498244 + 2168764900 = 371838^2 + 46570^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 8777016439 + ... + 8777016454.

Almost surely, 2^140432263144 is an apocalyptic number.

It is an amenable number.

140432263144 is a deficient number, since it is larger than the sum of its proper divisors (122878230266).

140432263144 is a wasteful number, since it uses less digits than its factorization.

140432263144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17554032899 (or 17554032895 counting only the distinct ones).

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

Adding to 140432263144 its reverse (441362234041), we get a palindrome (581794497185).

The spelling of 140432263144 in words is "one hundred forty billion, four hundred thirty-two million, two hundred sixty-three thousand, one hundred forty-four".