140130003121 has 4 divisors (see below), whose sum is σ = 140545819492. Its totient is φ = 139714186752.

The previous prime is 140130003037. The next prime is 140130003127. The reversal of 140130003121 is 121300031041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121300031041 = 7 ⋅17328575863.

It can be written as a sum of positive squares in 2 ways, for example, as 63940202496 + 76189800625 = 252864^2 + 276025^2 .

It is a cyclic number.

It is not a de Polignac number, because 140130003121 - 2⁹ = 140130002609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140130003095 and 140130003104.

It is not an unprimeable number, because it can be changed into a prime (140130003127) 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, 207907680 + ... + 207908353.

It is an arithmetic number, because the mean of its divisors is an integer number (35136454873).

Almost surely, 2^140130003121 is an apocalyptic number.

It is an amenable number.

140130003121 is a deficient number, since it is larger than the sum of its proper divisors (415816371).

140130003121 is an equidigital number, since it uses as much as digits as its factorization.

140130003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415816370.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 140130003121 its reverse (121300031041), we get a palindrome (261430034162).

The spelling of 140130003121 in words is "one hundred forty billion, one hundred thirty million, three thousand, one hundred twenty-one".