136839774 has 8 divisors (see below), whose sum is σ = 273679560. Its totient is φ = 45613256.

The previous prime is 136839751. The next prime is 136839779. The reversal of 136839774 is 477938631.

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

136839774 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136839779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11403309 + ... + 11403320.

It is an arithmetic number, because the mean of its divisors is an integer number (34209945).

Almost surely, 2^136839774 is an apocalyptic number.

136839774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136839774 is a wasteful number, since it uses less digits than its factorization.

136839774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22806634.

The product of its digits is 762048, while the sum is 48.

The square root of 136839774 is about 11697.8533928238. The cubic root of 136839774 is about 515.3126250916.

The spelling of 136839774 in words is "one hundred thirty-six million, eight hundred thirty-nine thousand, seven hundred seventy-four".