136803087 has 10 divisors (see below), whose sum is σ = 204360288. Its totient is φ = 91202004.

The previous prime is 136803083. The next prime is 136803089. The reversal of 136803087 is 780308631.

136803087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136803087 - 2² = 136803083 is a prime.

It is a super-2 number, since 2×136803087² = 37430169225459138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136803083) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 844383 + ... + 844544.

Almost surely, 2^136803087 is an apocalyptic number.

136803087 is a deficient number, since it is larger than the sum of its proper divisors (67557201).

136803087 is an equidigital number, since it uses as much as digits as its factorization.

136803087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688939 (or 1688930 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 136803087 is about 11696.2851794918. The cubic root of 136803087 is about 515.2665688817.

The spelling of 136803087 in words is "one hundred thirty-six million, eight hundred three thousand, eighty-seven".