136978822 has 8 divisors (see below), whose sum is σ = 210246696. Its totient is φ = 66896592.

The previous prime is 136978817. The next prime is 136978859. The reversal of 136978822 is 228879631.

136978822 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.

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, 796303 + ... + 796474.

It is an arithmetic number, because the mean of its divisors is an integer number (26280837).

Almost surely, 2^136978822 is an apocalyptic number.

136978822 is a deficient number, since it is larger than the sum of its proper divisors (73267874).

136978822 is a wasteful number, since it uses less digits than its factorization.

136978822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592822.

The product of its digits is 290304, while the sum is 46.

The square root of 136978822 is about 11703.7951964309. The cubic root of 136978822 is about 515.4871088002.

The spelling of 136978822 in words is "one hundred thirty-six million, nine hundred seventy-eight thousand, eight hundred twenty-two".