141789881 has 2 divisors, whose sum is σ = 141789882. Its totient is φ = 141789880.

The previous prime is 141789833. The next prime is 141789919. The reversal of 141789881 is 188987141.

141789881 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., 88266025 + 53523856 = 9395^2 + 7316^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141789881 is a prime.

It is a super-2 number, since 2×141789881² = 40208740707988322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (141789811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70894940 + 70894941.

It is an arithmetic number, because the mean of its divisors is an integer number (70894941).

Almost surely, 2^141789881 is an apocalyptic number.

It is an amenable number.

141789881 is a deficient number, since it is larger than the sum of its proper divisors (1).

141789881 is an equidigital number, since it uses as much as digits as its factorization.

141789881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 47.

The square root of 141789881 is about 11907.5556265759. Note that the first 3 decimals coincide. The cubic root of 141789881 is about 521.4528907082.

The spelling of 141789881 in words is "one hundred forty-one million, seven hundred eighty-nine thousand, eight hundred eighty-one".