91141 has 2 divisors, whose sum is σ = 91142. Its totient is φ = 91140.

The previous prime is 91139. The next prime is 91151. The reversal of 91141 is 14119.

It is a happy number.

91141 is nontrivially palindromic in base 11.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60516 + 30625 = 246^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 91141 - 2¹ = 91139 is a prime.

Together with 91139, it forms a pair of twin primes.

91141 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45570 + 45571.

It is an arithmetic number, because the mean of its divisors is an integer number (45571).

2⁹¹¹⁴¹ is an apocalyptic number.

It is an amenable number.

91141 is a deficient number, since it is larger than the sum of its proper divisors (1).

91141 is an equidigital number, since it uses as much as digits as its factorization.

91141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36, while the sum is 16.

The square root of 91141 is about 301.8956773457. The cubic root of 91141 is about 45.0026335907.

Subtracting from 91141 its sum of digits (16), we obtain a cube (91125 = 45³).

It can be divided in two parts, 91 and 141, that added together give a palindrome (232).

The spelling of 91141 in words is "ninety-one thousand, one hundred forty-one".