136155631018 has 8 divisors (see below), whose sum is σ = 222800123520. Its totient is φ = 61888923180.

The previous prime is 136155631013. The next prime is 136155631021. The reversal of 136155631018 is 810136551631.

It is a happy number.

136155631018 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (136155631013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3094446138 + ... + 3094446181.

It is an arithmetic number, because the mean of its divisors is an integer number (27850015440).

Almost surely, 2^136155631018 is an apocalyptic number.

136155631018 is a deficient number, since it is larger than the sum of its proper divisors (86644492502).

136155631018 is a wasteful number, since it uses less digits than its factorization.

136155631018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6188892332.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 136155631018 in words is "one hundred thirty-six billion, one hundred fifty-five million, six hundred thirty-one thousand, eighteen".