136623095809 has 8 divisors (see below), whose sum is σ = 141528641792. Its totient is φ = 131748696720.

The previous prime is 136623095801. The next prime is 136623095827. The reversal of 136623095809 is 908590326631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136623095809 - 2³ = 136623095801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136623095801) 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, 7777794 + ... + 7795339.

It is an arithmetic number, because the mean of its divisors is an integer number (17691080224).

Almost surely, 2^136623095809 is an apocalyptic number.

It is an amenable number.

136623095809 is a deficient number, since it is larger than the sum of its proper divisors (4905545983).

136623095809 is a wasteful number, since it uses less digits than its factorization.

136623095809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15573447.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 136623095809 in words is "one hundred thirty-six billion, six hundred twenty-three million, ninety-five thousand, eight hundred nine".