136808134 has 4 divisors (see below), whose sum is σ = 205212204. Its totient is φ = 68404066.

The previous prime is 136808131. The next prime is 136808137. The reversal of 136808134 is 431808631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431808631 = 2137 ⋅202063.

It is an interprime number because it is at equal distance from previous prime (136808131) and next prime (136808137).

It is a self number, because there is not a number n which added to its sum of digits gives 136808134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136808131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34202032 + ... + 34202035.

It is an arithmetic number, because the mean of its divisors is an integer number (51303051).

Almost surely, 2^136808134 is an apocalyptic number.

136808134 is a deficient number, since it is larger than the sum of its proper divisors (68404070).

136808134 is an equidigital number, since it uses as much as digits as its factorization.

136808134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68404069.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 136808134 is about 11696.5009297653. The cubic root of 136808134 is about 515.2729052845.

The spelling of 136808134 in words is "one hundred thirty-six million, eight hundred eight thousand, one hundred thirty-four".