141312421 has 2 divisors, whose sum is σ = 141312422. Its totient is φ = 141312420.

The previous prime is 141312377. The next prime is 141312427. The reversal of 141312421 is 124213141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112572100 + 28740321 = 10610^2 + 5361^2 .

It is a cyclic number.

It is not a de Polignac number, because 141312421 - 2⁹ = 141311909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141312427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70656210 + 70656211.

It is an arithmetic number, because the mean of its divisors is an integer number (70656211).

Almost surely, 2^141312421 is an apocalyptic number.

It is an amenable number.

141312421 is a deficient number, since it is larger than the sum of its proper divisors (1).

141312421 is an equidigital number, since it uses as much as digits as its factorization.

141312421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 19.

The square root of 141312421 is about 11887.4901051484. The cubic root of 141312421 is about 520.8669229807.

Adding to 141312421 its reverse (124213141), we get a palindrome (265525562).

The spelling of 141312421 in words is "one hundred forty-one million, three hundred twelve thousand, four hundred twenty-one".