136894 has 4 divisors (see below), whose sum is σ = 205344. Its totient is φ = 68446.

The previous prime is 136889. The next prime is 136897. The reversal of 136894 is 498631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 498631 = 7 ⋅71233.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34222 + ... + 34225.

It is an arithmetic number, because the mean of its divisors is an integer number (51336).

2¹³⁶⁸⁹⁴ is an apocalyptic number.

136894 is a deficient number, since it is larger than the sum of its proper divisors (68450).

136894 is an equidigital number, since it uses as much as digits as its factorization.

136894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68449.

The product of its digits is 5184, while the sum is 31.

The square root of 136894 is about 369.9918918031. The cubic root of 136894 is about 51.5380684378.

It can be divided in two parts, 13689 and 4, that multiplied together give a square (54756 = 234²).

The spelling of 136894 in words is "one hundred thirty-six thousand, eight hundred ninety-four".