140143644127 has 4 divisors (see below), whose sum is σ = 142235340376. Its totient is φ = 138051947880.

The previous prime is 140143644097. The next prime is 140143644163. The reversal of 140143644127 is 721446341041.

140143644127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140143644127 - 2¹⁹ = 140143119839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140143654127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045848024 + ... + 1045848157.

It is an arithmetic number, because the mean of its divisors is an integer number (35558835094).

Almost surely, 2^140143644127 is an apocalyptic number.

140143644127 is a deficient number, since it is larger than the sum of its proper divisors (2091696249).

140143644127 is an equidigital number, since it uses as much as digits as its factorization.

140143644127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091696248.

The product of its (nonzero) digits is 64512, while the sum is 37.

Adding to 140143644127 its reverse (721446341041), we get a palindrome (861589985168).

The spelling of 140143644127 in words is "one hundred forty billion, one hundred forty-three million, six hundred forty-four thousand, one hundred twenty-seven".