141991079 has 2 divisors, whose sum is σ = 141991080. Its totient is φ = 141991078.

The previous prime is 141991063. The next prime is 141991127. The reversal of 141991079 is 970199141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 141991079 - 2⁴ = 141991063 is a prime.

It is a super-2 number, since 2×141991079² = 40322933031168482, 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 (141991019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70995539 + 70995540.

It is an arithmetic number, because the mean of its divisors is an integer number (70995540).

Almost surely, 2^141991079 is an apocalyptic number.

141991079 is a deficient number, since it is larger than the sum of its proper divisors (1).

141991079 is an equidigital number, since it uses as much as digits as its factorization.

141991079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 41.

The square root of 141991079 is about 11916.0009650889. Note that the first 3 decimals coincide. The cubic root of 141991079 is about 521.6994190984.

The spelling of 141991079 in words is "one hundred forty-one million, nine hundred ninety-one thousand, seventy-nine".