191411141 has 2 divisors, whose sum is σ = 191411142. Its totient is φ = 191411140.

The previous prime is 191411113. The next prime is 191411147. The reversal of 191411141 is 141114191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181980100 + 9431041 = 13490^2 + 3071^2 .

It is an emirp because it is prime and its reverse (141114191) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 191411141 - 2¹⁴ = 191394757 is a prime.

It is equal to p_10629311 and since 191411141 and 10629311 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (191411147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95705570 + 95705571.

It is an arithmetic number, because the mean of its divisors is an integer number (95705571).

Almost surely, 2^191411141 is an apocalyptic number.

It is an amenable number.

191411141 is a deficient number, since it is larger than the sum of its proper divisors (1).

191411141 is an equidigital number, since it uses as much as digits as its factorization.

191411141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 23.

The square root of 191411141 is about 13835.1415243936. The cubic root of 191411141 is about 576.3094452315.

The spelling of 191411141 in words is "one hundred ninety-one million, four hundred eleven thousand, one hundred forty-one".