136223806 has 16 divisors (see below), whose sum is σ = 215429760. Its totient is φ = 64425240.

The previous prime is 136223803. The next prime is 136223821. The reversal of 136223806 is 608322631.

136223806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×136223806² = 37113850642251272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136223803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25161 + ... + 30091.

It is an arithmetic number, because the mean of its divisors is an integer number (13464360).

Almost surely, 2^136223806 is an apocalyptic number.

136223806 is a deficient number, since it is larger than the sum of its proper divisors (79205954).

136223806 is a wasteful number, since it uses less digits than its factorization.

136223806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5679.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 136223806 is about 11671.4954483134. The cubic root of 136223806 is about 514.5382558112.

The spelling of 136223806 in words is "one hundred thirty-six million, two hundred twenty-three thousand, eight hundred six".