141869381 has 2 divisors, whose sum is σ = 141869382. Its totient is φ = 141869380.

The previous prime is 141869323. The next prime is 141869407. The reversal of 141869381 is 183968141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96845281 + 45024100 = 9841^2 + 6710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141869381 is a prime.

It is a super-2 number, since 2×141869381² = 40253842530646322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141868381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70934690 + 70934691.

It is an arithmetic number, because the mean of its divisors is an integer number (70934691).

Almost surely, 2^141869381 is an apocalyptic number.

It is an amenable number.

141869381 is a deficient number, since it is larger than the sum of its proper divisors (1).

141869381 is an equidigital number, since it uses as much as digits as its factorization.

141869381 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 141869381 is about 11910.8933753938. The cubic root of 141869381 is about 521.5503301001.

The spelling of 141869381 in words is "one hundred forty-one million, eight hundred sixty-nine thousand, three hundred eighty-one".