135994 has 8 divisors (see below), whose sum is σ = 206388. Its totient is φ = 67200.

The previous prime is 135979. The next prime is 136013. The reversal of 135994 is 499531.

It can be written as a sum of positive squares in 2 ways, for example, as 131769 + 4225 = 363^2 + 65^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157 + ... + 544.

2¹³⁵⁹⁹⁴ is an apocalyptic number.

135994 is a deficient number, since it is larger than the sum of its proper divisors (70394).

135994 is an equidigital number, since it uses as much as digits as its factorization.

135994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800.

The product of its digits is 4860, while the sum is 31.

The square root of 135994 is about 368.7736433098. The cubic root of 135994 is about 51.4248755428.

The spelling of 135994 in words is "one hundred thirty-five thousand, nine hundred ninety-four".