141681389 has 2 divisors, whose sum is σ = 141681390. Its totient is φ = 141681388.

The previous prime is 141681343. The next prime is 141681391. The reversal of 141681389 is 983186141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133587364 + 8094025 = 11558^2 + 2845^2 .

It is a cyclic number.

It is not a de Polignac number, because 141681389 - 2²⁴ = 124904173 is a prime.

Together with 141681391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141681289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70840694 + 70840695.

It is an arithmetic number, because the mean of its divisors is an integer number (70840695).

Almost surely, 2^141681389 is an apocalyptic number.

It is an amenable number.

141681389 is a deficient number, since it is larger than the sum of its proper divisors (1).

141681389 is an equidigital number, since it uses as much as digits as its factorization.

141681389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 41.

The square root of 141681389 is about 11902.9991598756. Note that the first 3 decimals coincide. The cubic root of 141681389 is about 521.3198584071.

The spelling of 141681389 in words is "one hundred forty-one million, six hundred eighty-one thousand, three hundred eighty-nine".