136673158 has 4 divisors (see below), whose sum is σ = 205009740. Its totient is φ = 68336578.

The previous prime is 136673129. The next prime is 136673171. The reversal of 136673158 is 851376631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 136673158.

It is a congruent number.

It is an unprimeable number.

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, 34168288 + ... + 34168291.

It is an arithmetic number, because the mean of its divisors is an integer number (51252435).

Almost surely, 2^136673158 is an apocalyptic number.

136673158 is a deficient number, since it is larger than the sum of its proper divisors (68336582).

136673158 is an equidigital number, since it uses as much as digits as its factorization.

136673158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68336581.

The product of its digits is 90720, while the sum is 40.

The square root of 136673158 is about 11690.7295751805. The cubic root of 136673158 is about 515.1033920671.

The spelling of 136673158 in words is "one hundred thirty-six million, six hundred seventy-three thousand, one hundred fifty-eight".