136630855 has 4 divisors (see below), whose sum is σ = 163957032. Its totient is φ = 109304680.

The previous prime is 136630847. The next prime is 136630859. The reversal of 136630855 is 558036631.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 136630855 - 2³ = 136630847 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 (136630859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13663081 + ... + 13663090.

It is an arithmetic number, because the mean of its divisors is an integer number (40989258).

Almost surely, 2^136630855 is an apocalyptic number.

136630855 is a deficient number, since it is larger than the sum of its proper divisors (27326177).

136630855 is an equidigital number, since it uses as much as digits as its factorization.

136630855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27326176.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 136630855 is about 11688.9201810946. The cubic root of 136630855 is about 515.0502417443.

The spelling of 136630855 in words is "one hundred thirty-six million, six hundred thirty thousand, eight hundred fifty-five".