136806784387863 has 8 divisors (see below), whose sum is σ = 182435212718976. Its totient is φ = 91191439491000.

The previous prime is 136806784387853. The next prime is 136806784387877. The reversal of 136806784387863 is 368783487608631.

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

It is not a de Polignac number, because 136806784387863 - 2⁵ = 136806784387831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136806784387853) 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, 3270834163 + ... + 3270875988.

It is an arithmetic number, because the mean of its divisors is an integer number (22804401589872).

Almost surely, 2^{136806784387863} is an apocalyptic number.

136806784387863 is a deficient number, since it is larger than the sum of its proper divisors (45628428331113).

136806784387863 is an equidigital number, since it uses as much as digits as its factorization.

136806784387863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541717125.

The product of its (nonzero) digits is 4682022912, while the sum is 78.

The spelling of 136806784387863 in words is "one hundred thirty-six trillion, eight hundred six billion, seven hundred eighty-four million, three hundred eighty-seven thousand, eight hundred sixty-three".