136000687 has 8 divisors (see below), whose sum is σ = 138405296. Its totient is φ = 133607232.

The previous prime is 136000681. The next prime is 136000741. The reversal of 136000687 is 786000631.

136000687 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 136000687 - 2⁷ = 136000559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136000681) 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, 24043 + ... + 29155.

It is an arithmetic number, because the mean of its divisors is an integer number (17300662).

Almost surely, 2^136000687 is an apocalyptic number.

136000687 is a deficient number, since it is larger than the sum of its proper divisors (2404609).

136000687 is an equidigital number, since it uses as much as digits as its factorization.

136000687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5577.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 136000687 is about 11661.9332445354. The cubic root of 136000687 is about 514.2571840471.

The spelling of 136000687 in words is "one hundred thirty-six million, six hundred eighty-seven", and thus it is an aban number.