141387661 has 2 divisors, whose sum is σ = 141387662. Its totient is φ = 141387660.

The previous prime is 141387629. The next prime is 141387671. The reversal of 141387661 is 166783141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124322500 + 17065161 = 11150^2 + 4131^2 .

It is a cyclic number.

It is not a de Polignac number, because 141387661 - 2⁵ = 141387629 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141387661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141387611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70693830 + 70693831.

It is an arithmetic number, because the mean of its divisors is an integer number (70693831).

Almost surely, 2^141387661 is an apocalyptic number.

It is an amenable number.

141387661 is a deficient number, since it is larger than the sum of its proper divisors (1).

141387661 is an equidigital number, since it uses as much as digits as its factorization.

141387661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 141387661 is about 11890.6543554171. The cubic root of 141387661 is about 520.9593495668.

The spelling of 141387661 in words is "one hundred forty-one million, three hundred eighty-seven thousand, six hundred sixty-one".