140242002144 has 24 divisors (see below), whose sum is σ = 368135255880. Its totient is φ = 46747334016.

The previous prime is 140242002079. The next prime is 140242002149. The reversal of 140242002144 is 441200242041.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140242002149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730426999 + ... + 730427190.

It is an arithmetic number, because the mean of its divisors is an integer number (15338968995).

Almost surely, 2^140242002144 is an apocalyptic number.

It is an amenable number.

140242002144 is an abundant number, since it is smaller than the sum of its proper divisors (227893253736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140242002144 is a wasteful number, since it uses less digits than its factorization.

140242002144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460854202 (or 1460854194 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 140242002144 its reverse (441200242041), we get a palindrome (581442244185).

The spelling of 140242002144 in words is "one hundred forty billion, two hundred forty-two million, two thousand, one hundred forty-four".