140424023512144 has 10 divisors (see below), whose sum is σ = 272071545554810. Its totient is φ = 70212011756064.

The previous prime is 140424023512109. The next prime is 140424023512147. The reversal of 140424023512144 is 441215320424041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 105752182153744 + 34671841358400 = 10283588^2 + 5888280^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140424023512147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4388250734739 + ... + 4388250734770.

It is an arithmetic number, because the mean of its divisors is an integer number (27207154555481).

Almost surely, 2^{140424023512144} is an apocalyptic number.

It is an amenable number.

140424023512144 is a deficient number, since it is larger than the sum of its proper divisors (131647522042666).

140424023512144 is an equidigital number, since it uses as much as digits as its factorization.

140424023512144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8776501469517 (or 8776501469511 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 37.

Adding to 140424023512144 its reverse (441215320424041), we get a palindrome (581639343936185).

The spelling of 140424023512144 in words is "one hundred forty trillion, four hundred twenty-four billion, twenty-three million, five hundred twelve thousand, one hundred forty-four".