141403430040421 has 2 divisors, whose sum is σ = 141403430040422. Its totient is φ = 141403430040420.

The previous prime is 141403430040403. The next prime is 141403430040443. The reversal of 141403430040421 is 124040034304141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137955125884900 + 3448304155521 = 11745430^2 + 1856961^2 .

It is a cyclic number.

It is not a de Polignac number, because 141403430040421 - 2²⁹ = 141402893169509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141403430040221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70701715020210 + 70701715020211.

It is an arithmetic number, because the mean of its divisors is an integer number (70701715020211).

Almost surely, 2^{141403430040421} is an apocalyptic number.

It is an amenable number.

141403430040421 is a deficient number, since it is larger than the sum of its proper divisors (1).

141403430040421 is an equidigital number, since it uses as much as digits as its factorization.

141403430040421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 141403430040421 its reverse (124040034304141), we get a palindrome (265443464344562).

The spelling of 141403430040421 in words is "one hundred forty-one trillion, four hundred three billion, four hundred thirty million, forty thousand, four hundred twenty-one".