141889309 has 2 divisors, whose sum is σ = 141889310. Its totient is φ = 141889308.

The previous prime is 141889303. The next prime is 141889331. The reversal of 141889309 is 903988141.

141889309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141848100 + 41209 = 11910^2 + 203^2 .

It is a cyclic number.

It is not a de Polignac number, because 141889309 - 2⁹ = 141888797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141889303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70944654 + 70944655.

It is an arithmetic number, because the mean of its divisors is an integer number (70944655).

Almost surely, 2^141889309 is an apocalyptic number.

It is an amenable number.

141889309 is a deficient number, since it is larger than the sum of its proper divisors (1).

141889309 is an equidigital number, since it uses as much as digits as its factorization.

141889309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 141889309 is about 11911.7298911619. The cubic root of 141889309 is about 521.5747492014.

The spelling of 141889309 in words is "one hundred forty-one million, eight hundred eighty-nine thousand, three hundred nine".