77141 has 2 divisors, whose sum is σ = 77142. Its totient is φ = 77140.

The previous prime is 77137. The next prime is 77153. The reversal of 77141 is 14177.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62500 + 14641 = 250^2 + 121^2 .

It is an emirp because it is prime and its reverse (14177) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77141 - 2² = 77137 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38570 + 38571.

It is an arithmetic number, because the mean of its divisors is an integer number (38571).

2⁷⁷¹⁴¹ is an apocalyptic number.

It is an amenable number.

77141 is a deficient number, since it is larger than the sum of its proper divisors (1).

77141 is an equidigital number, since it uses as much as digits as its factorization.

77141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 196, while the sum is 20.

The square root of 77141 is about 277.7426866724. The cubic root of 77141 is about 42.5691607493.

The spelling of 77141 in words is "seventy-seven thousand, one hundred forty-one", and thus it is an iban number.