136391122 has 16 divisors (see below), whose sum is σ = 234064512. Its totient is φ = 58390560.

The previous prime is 136391117. The next prime is 136391159. The reversal of 136391122 is 221193631.

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, 9747 + ... + 19177.

It is an arithmetic number, because the mean of its divisors is an integer number (14629032).

Almost surely, 2^136391122 is an apocalyptic number.

136391122 is a deficient number, since it is larger than the sum of its proper divisors (97673390).

136391122 is a wasteful number, since it uses less digits than its factorization.

136391122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10473.

The product of its digits is 1944, while the sum is 28.

The square root of 136391122 is about 11678.6609677651. The cubic root of 136391122 is about 514.7488290403.

The spelling of 136391122 in words is "one hundred thirty-six million, three hundred ninety-one thousand, one hundred twenty-two".