136385222 has 4 divisors (see below), whose sum is σ = 204577836. Its totient is φ = 68192610.

The previous prime is 136385159. The next prime is 136385233. The reversal of 136385222 is 222583631.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34096304 + ... + 34096307.

It is an arithmetic number, because the mean of its divisors is an integer number (51144459).

Almost surely, 2^136385222 is an apocalyptic number.

136385222 is a deficient number, since it is larger than the sum of its proper divisors (68192614).

136385222 is an equidigital number, since it uses as much as digits as its factorization.

136385222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68192613.

The product of its digits is 17280, while the sum is 32.

The square root of 136385222 is about 11678.4083675816. The cubic root of 136385222 is about 514.7414066074.

The spelling of 136385222 in words is "one hundred thirty-six million, three hundred eighty-five thousand, two hundred twenty-two".