141665593 has 2 divisors, whose sum is σ = 141665594. Its totient is φ = 141665592.

The previous prime is 141665591. The next prime is 141665597. The reversal of 141665593 is 395566141.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81866304 + 59799289 = 9048^2 + 7733^2 .

It is a cyclic number.

It is not a de Polignac number, because 141665593 - 2¹ = 141665591 is a prime.

Together with 141665591, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (141665591) 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, 70832796 + 70832797.

It is an arithmetic number, because the mean of its divisors is an integer number (70832797).

Almost surely, 2^141665593 is an apocalyptic number.

It is an amenable number.

141665593 is a deficient number, since it is larger than the sum of its proper divisors (1).

141665593 is an equidigital number, since it uses as much as digits as its factorization.

141665593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 40.

The square root of 141665593 is about 11902.3356111311. The cubic root of 141665593 is about 521.3004837746.

The spelling of 141665593 in words is "one hundred forty-one million, six hundred sixty-five thousand, five hundred ninety-three".