136680158 has 4 divisors (see below), whose sum is σ = 205020240. Its totient is φ = 68340078.

The previous prime is 136680157. The next prime is 136680179. The reversal of 136680158 is 851086631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 851086631 = 103 ⋅8262977.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136680151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34170038 + ... + 34170041.

It is an arithmetic number, because the mean of its divisors is an integer number (51255060).

Almost surely, 2^136680158 is an apocalyptic number.

136680158 is a deficient number, since it is larger than the sum of its proper divisors (68340082).

136680158 is an equidigital number, since it uses as much as digits as its factorization.

136680158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68340081.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 136680158 is about 11691.0289538603. The cubic root of 136680158 is about 515.1121859474.

The spelling of 136680158 in words is "one hundred thirty-six million, six hundred eighty thousand, one hundred fifty-eight".