136223807 has 4 divisors (see below), whose sum is σ = 136329816. Its totient is φ = 136117800.

The previous prime is 136223803. The next prime is 136223821. The reversal of 136223807 is 708322631.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 136223807 - 2² = 136223803 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 51053 + ... + 53654.

It is an arithmetic number, because the mean of its divisors is an integer number (34082454).

Almost surely, 2^136223807 is an apocalyptic number.

136223807 is a deficient number, since it is larger than the sum of its proper divisors (106009).

136223807 is a wasteful number, since it uses less digits than its factorization.

136223807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106008.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 136223807 is about 11671.4954911528. The cubic root of 136223807 is about 514.5382570702.

The spelling of 136223807 in words is "one hundred thirty-six million, two hundred twenty-three thousand, eight hundred seven".