136261222 has 16 divisors (see below), whose sum is σ = 218074032. Its totient is φ = 63631360.

The previous prime is 136261211. The next prime is 136261241. The reversal of 136261222 is 222162631.

136261222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10843 + ... + 19750.

It is an arithmetic number, because the mean of its divisors is an integer number (13629627).

Almost surely, 2^136261222 is an apocalyptic number.

136261222 is a deficient number, since it is larger than the sum of its proper divisors (81812810).

136261222 is a wasteful number, since it uses less digits than its factorization.

136261222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30743.

The product of its digits is 1728, while the sum is 25.

The square root of 136261222 is about 11673.0982176970. The cubic root of 136261222 is about 514.5853601600.

The spelling of 136261222 in words is "one hundred thirty-six million, two hundred sixty-one thousand, two hundred twenty-two".