136826867 has 4 divisors (see below), whose sum is σ = 139408560. Its totient is φ = 134245176.

The previous prime is 136826831. The next prime is 136826887. The reversal of 136826867 is 768628631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 768628631 = 53 ⋅14502427.

It is a cyclic number.

It is not a de Polignac number, because 136826867 - 2⁶ = 136826803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136826827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290767 + ... + 1290872.

It is an arithmetic number, because the mean of its divisors is an integer number (34852140).

Almost surely, 2^136826867 is an apocalyptic number.

136826867 is a deficient number, since it is larger than the sum of its proper divisors (2581693).

136826867 is an equidigital number, since it uses as much as digits as its factorization.

136826867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581692.

The product of its digits is 580608, while the sum is 47.

The square root of 136826867 is about 11697.3016974001. The cubic root of 136826867 is about 515.2964228111.

The spelling of 136826867 in words is "one hundred thirty-six million, eight hundred twenty-six thousand, eight hundred sixty-seven".