141319561 has 2 divisors, whose sum is σ = 141319562. Its totient is φ = 141319560.

The previous prime is 141319559. The next prime is 141319597. The reversal of 141319561 is 165913141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98010000 + 43309561 = 9900^2 + 6581^2 .

It is an emirp because it is prime and its reverse (165913141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141319561 - 2¹ = 141319559 is a prime.

Together with 141319559, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (141319261) 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 as a sum of consecutive naturals, namely, 70659780 + 70659781.

It is an arithmetic number, because the mean of its divisors is an integer number (70659781).

Almost surely, 2^141319561 is an apocalyptic number.

It is an amenable number.

141319561 is a deficient number, since it is larger than the sum of its proper divisors (1).

141319561 is an equidigital number, since it uses as much as digits as its factorization.

141319561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 31.

The square root of 141319561 is about 11887.7904170624. The cubic root of 141319561 is about 520.8756953334.

The spelling of 141319561 in words is "one hundred forty-one million, three hundred nineteen thousand, five hundred sixty-one".