140003410078421 has 2 divisors, whose sum is σ = 140003410078422. Its totient is φ = 140003410078420.

The previous prime is 140003410078409. The next prime is 140003410078439. The reversal of 140003410078421 is 124870014300041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70620257659396 + 69383152419025 = 8403586^2 + 8329655^2 .

It is a cyclic number.

It is not a de Polignac number, because 140003410078421 - 2¹⁴ = 140003410062037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140003410018421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70001705039210 + 70001705039211.

It is an arithmetic number, because the mean of its divisors is an integer number (70001705039211).

Almost surely, 2^{140003410078421} is an apocalyptic number.

It is an amenable number.

140003410078421 is a deficient number, since it is larger than the sum of its proper divisors (1).

140003410078421 is an equidigital number, since it uses as much as digits as its factorization.

140003410078421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 35.

Adding to 140003410078421 its reverse (124870014300041), we get a palindrome (264873424378462).

The spelling of 140003410078421 in words is "one hundred forty trillion, three billion, four hundred ten million, seventy-eight thousand, four hundred twenty-one".