139636554158 has 32 divisors (see below), whose sum is σ = 217699190784. Its totient is φ = 67128364512.

The previous prime is 139636554143. The next prime is 139636554191. The reversal of 139636554158 is 851455636931.

139636554158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2281160 + ... + 2341572.

It is an arithmetic number, because the mean of its divisors is an integer number (6803099712).

Almost surely, 2^139636554158 is an apocalyptic number.

139636554158 is a deficient number, since it is larger than the sum of its proper divisors (78062636626).

139636554158 is a wasteful number, since it uses less digits than its factorization.

139636554158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60896.

The product of its digits is 11664000, while the sum is 56.

The spelling of 139636554158 in words is "one hundred thirty-nine billion, six hundred thirty-six million, five hundred fifty-four thousand, one hundred fifty-eight".