136870782 has 8 divisors (see below), whose sum is σ = 273741576. Its totient is φ = 45623592.

The previous prime is 136870777. The next prime is 136870793. The reversal of 136870782 is 287078631.

136870782 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

136870782 is an admirable number.

It is a super-2 number, since 2×136870782² = 37467221930583048, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11405893 + ... + 11405904.

It is an arithmetic number, because the mean of its divisors is an integer number (34217697).

Almost surely, 2^136870782 is an apocalyptic number.

136870782 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.

136870782 is a wasteful number, since it uses less digits than its factorization.

136870782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22811802.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 136870782 is about 11699.1786891217. The cubic root of 136870782 is about 515.3515455668.

The spelling of 136870782 in words is "one hundred thirty-six million, eight hundred seventy thousand, seven hundred eighty-two".