136785594849 has 8 divisors (see below), whose sum is σ = 182383837152. Its totient is φ = 91188874560.

The previous prime is 136785594817. The next prime is 136785594889. The reversal of 136785594849 is 948495587631.

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

It is not a de Polignac number, because 136785594849 - 2⁵ = 136785594817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136785594889) 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, 151032 + ... + 544409.

It is an arithmetic number, because the mean of its divisors is an integer number (22797979644).

Almost surely, 2^136785594849 is an apocalyptic number.

It is an amenable number.

136785594849 is a deficient number, since it is larger than the sum of its proper divisors (45598242303).

136785594849 is an equidigital number, since it uses as much as digits as its factorization.

136785594849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761007.

The product of its digits is 261273600, while the sum is 69.

The spelling of 136785594849 in words is "one hundred thirty-six billion, seven hundred eighty-five million, five hundred ninety-four thousand, eight hundred forty-nine".