136193486887 has 8 divisors (see below), whose sum is σ = 140043558096. Its totient is φ = 132352319232.

The previous prime is 136193486881. The next prime is 136193486927. The reversal of 136193486887 is 788684391631.

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 136193486887 - 2¹¹ = 136193484839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136193486881) 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, 2194858 + ... + 2256055.

It is an arithmetic number, because the mean of its divisors is an integer number (17505444762).

Almost surely, 2^136193486887 is an apocalyptic number.

136193486887 is a deficient number, since it is larger than the sum of its proper divisors (3850071209).

136193486887 is an equidigital number, since it uses as much as digits as its factorization.

136193486887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451777.

The product of its digits is 41803776, while the sum is 64.

The spelling of 136193486887 in words is "one hundred thirty-six billion, one hundred ninety-three million, four hundred eighty-six thousand, eight hundred eighty-seven".