136504087 has 8 divisors (see below), whose sum is σ = 138966080. Its totient is φ = 134058240.

The previous prime is 136504061. The next prime is 136504099. The reversal of 136504087 is 780405631.

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 136504087 - 2⁷ = 136503959 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 (136504007) 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, 13714 + ... + 21472.

It is an arithmetic number, because the mean of its divisors is an integer number (17370760).

Almost surely, 2^136504087 is an apocalyptic number.

136504087 is a deficient number, since it is larger than the sum of its proper divisors (2461993).

136504087 is an equidigital number, since it uses as much as digits as its factorization.

136504087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8073.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 136504087 is about 11683.4963516920. The cubic root of 136504087 is about 514.8909022053.

The spelling of 136504087 in words is "one hundred thirty-six million, five hundred four thousand, eighty-seven".