129893 has 2 divisors, whose sum is σ = 129894. Its totient is φ = 129892.

The previous prime is 129887. The next prime is 129901. The reversal of 129893 is 398921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82369 + 47524 = 287^2 + 218^2 .

It is an emirp because it is prime and its reverse (398921) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64946 + 64947.

It is an arithmetic number, because the mean of its divisors is an integer number (64947).

2¹²⁹⁸⁹³ is an apocalyptic number.

It is an amenable number.

129893 is a deficient number, since it is larger than the sum of its proper divisors (1).

129893 is an equidigital number, since it uses as much as digits as its factorization.

129893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 32.

The square root of 129893 is about 360.4067146988. The cubic root of 129893 is about 50.6440679073.

The spelling of 129893 in words is "one hundred twenty-nine thousand, eight hundred ninety-three".