136022899 has 4 divisors (see below), whose sum is σ = 144024264. Its totient is φ = 128021536.

The previous prime is 136022893. The next prime is 136022921. The reversal of 136022899 is 998220631.

It is a happy number.

136022899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 136022899 - 2⁵ = 136022867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136022893) 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, 4000657 + ... + 4000690.

It is an arithmetic number, because the mean of its divisors is an integer number (36006066).

Almost surely, 2^136022899 is an apocalyptic number.

136022899 is a deficient number, since it is larger than the sum of its proper divisors (8001365).

136022899 is an equidigital number, since it uses as much as digits as its factorization.

136022899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8001364.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 136022899 is about 11662.8855348923. The cubic root of 136022899 is about 514.2851791477.

The spelling of 136022899 in words is "one hundred thirty-six million, twenty-two thousand, eight hundred ninety-nine".