141961439 has 2 divisors, whose sum is σ = 141961440. Its totient is φ = 141961438.

The previous prime is 141961429. The next prime is 141961471. The reversal of 141961439 is 934169141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 141961439 - 2⁴ = 141961423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141961429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70980719 + 70980720.

It is an arithmetic number, because the mean of its divisors is an integer number (70980720).

Almost surely, 2^141961439 is an apocalyptic number.

141961439 is a deficient number, since it is larger than the sum of its proper divisors (1).

141961439 is an equidigital number, since it uses as much as digits as its factorization.

141961439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 141961439 is about 11914.7571943368. The cubic root of 141961439 is about 521.6631157687.

The spelling of 141961439 in words is "one hundred forty-one million, nine hundred sixty-one thousand, four hundred thirty-nine".