142711 has 2 divisors, whose sum is σ = 142712. Its totient is φ = 142710.

The previous prime is 142699. The next prime is 142733. The reversal of 142711 is 117241.

It is a weak prime.

It is an emirp because it is prime and its reverse (117241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142711 - 2¹¹ = 140663 is a prime.

It is a plaindrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71355 + 71356.

It is an arithmetic number, because the mean of its divisors is an integer number (71356).

2¹⁴²⁷¹¹ is an apocalyptic number.

142711 is a deficient number, since it is larger than the sum of its proper divisors (1).

142711 is an equidigital number, since it uses as much as digits as its factorization.

142711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56, while the sum is 16.

The square root of 142711 is about 377.7710947121. The cubic root of 142711 is about 52.2579637289.

Adding to 142711 its reverse (117241), we get a palindrome (259952).

The spelling of 142711 in words is "one hundred forty-two thousand, seven hundred eleven", and thus it is an iban number.