140131030111421 has 2 divisors, whose sum is σ = 140131030111422. Its totient is φ = 140131030111420.

The previous prime is 140131030111399. The next prime is 140131030111427. The reversal of 140131030111421 is 124111030131041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79326436958521 + 60804593152900 = 8906539^2 + 7797730^2 .

It is an emirp because it is prime and its reverse (124111030131041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140131030111421 - 2²⁶ = 140130963002557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140131030111427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70065515055710 + 70065515055711.

It is an arithmetic number, because the mean of its divisors is an integer number (70065515055711).

Almost surely, 2^{140131030111421} is an apocalyptic number.

It is an amenable number.

140131030111421 is a deficient number, since it is larger than the sum of its proper divisors (1).

140131030111421 is an equidigital number, since it uses as much as digits as its factorization.

140131030111421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 140131030111421 its reverse (124111030131041), we get a palindrome (264242060242462).

The spelling of 140131030111421 in words is "one hundred forty trillion, one hundred thirty-one billion, thirty million, one hundred eleven thousand, four hundred twenty-one".