134999 has 2 divisors, whose sum is σ = 135000. Its totient is φ = 134998.

The previous prime is 134989. The next prime is 135007. The reversal of 134999 is 999431.

It is a strong prime.

It is an emirp because it is prime and its reverse (999431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134999 - 2¹⁶ = 69463 is a prime.

It is a Chen prime.

134999 is a modest number, since divided by 999 gives 134 as remainder.

It is a plaindrome in base 10 and base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 134999.

It is not a weakly prime, because it can be changed into another prime (134909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67499 + 67500.

It is an arithmetic number, because the mean of its divisors is an integer number (67500).

2¹³⁴⁹⁹⁹ is an apocalyptic number.

134999 is a deficient number, since it is larger than the sum of its proper divisors (1).

134999 is an equidigital number, since it uses as much as digits as its factorization.

134999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 35.

The square root of 134999 is about 367.4221005873. The cubic root of 134999 is about 51.2991517351.

The spelling of 134999 in words is "one hundred thirty-four thousand, nine hundred ninety-nine".