140244126407 has 24 divisors (see below), whose sum is σ = 177918849696. Its totient is φ = 108199080000.

The previous prime is 140244126403. The next prime is 140244126413. The reversal of 140244126407 is 704621442041.

It is not a de Polignac number, because 140244126407 - 2² = 140244126403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140244126403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 734144 + ... + 905237.

It is an arithmetic number, because the mean of its divisors is an integer number (7413285404).

Almost surely, 2^140244126407 is an apocalyptic number.

140244126407 is a deficient number, since it is larger than the sum of its proper divisors (37674723289).

140244126407 is a wasteful number, since it uses less digits than its factorization.

140244126407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639511 (or 1639500 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

Adding to 140244126407 its reverse (704621442041), we get a palindrome (844865568448).

The spelling of 140244126407 in words is "one hundred forty billion, two hundred forty-four million, one hundred twenty-six thousand, four hundred seven".