141881791 has 12 divisors (see below), whose sum is σ = 148297800. Its totient is φ = 135704160.

The previous prime is 141881749. The next prime is 141881801. The reversal of 141881791 is 197188141.

It is a de Polignac number, because none of the positive numbers 2^k-141881791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141881731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82660 + ... + 84358.

It is an arithmetic number, because the mean of its divisors is an integer number (12358150).

Almost surely, 2^141881791 is an apocalyptic number.

141881791 is a deficient number, since it is larger than the sum of its proper divisors (6416009).

141881791 is an equidigital number, since it uses as much as digits as its factorization.

141881791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834 (or 1797 counting only the distinct ones).

The product of its digits is 16128, while the sum is 40.

The square root of 141881791 is about 11911.4143156890. The cubic root of 141881791 is about 521.5655371655.

The spelling of 141881791 in words is "one hundred forty-one million, eight hundred eighty-one thousand, seven hundred ninety-one".