141535309 has 2 divisors, whose sum is σ = 141535310. Its totient is φ = 141535308.

The previous prime is 141535271. The next prime is 141535333. The reversal of 141535309 is 903535141.

It is a happy number.

141535309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114961284 + 26574025 = 10722^2 + 5155^2 .

It is an emirp because it is prime and its reverse (903535141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141535309 - 2¹³ = 141527117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141535369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70767654 + 70767655.

It is an arithmetic number, because the mean of its divisors is an integer number (70767655).

Almost surely, 2^141535309 is an apocalyptic number.

It is an amenable number.

141535309 is a deficient number, since it is larger than the sum of its proper divisors (1).

141535309 is an equidigital number, since it uses as much as digits as its factorization.

141535309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 141535309 is about 11896.8613087654. The cubic root of 141535309 is about 521.1406285795.

The spelling of 141535309 in words is "one hundred forty-one million, five hundred thirty-five thousand, three hundred nine".