140120312103 has 16 divisors (see below), whose sum is σ = 207633684960. Its totient is φ = 93391924608.

The previous prime is 140120312041. The next prime is 140120312107. The reversal of 140120312103 is 301213021041.

140120312103 is a `hidden beast` number, since 1 + 401 + 20 + 31 + 210 + 3 = 666.

It is not a de Polignac number, because 140120312103 - 2⁸ = 140120311847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140120312107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481200 + ... + 715397.

It is an arithmetic number, because the mean of its divisors is an integer number (12977105310).

Almost surely, 2^140120312103 is an apocalyptic number.

140120312103 is a deficient number, since it is larger than the sum of its proper divisors (67513372857).

140120312103 is a wasteful number, since it uses less digits than its factorization.

140120312103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200943 (or 1200937 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 140120312103 its reverse (301213021041), we get a palindrome (441333333144).

The spelling of 140120312103 in words is "one hundred forty billion, one hundred twenty million, three hundred twelve thousand, one hundred three".