136275806 has 4 divisors (see below), whose sum is σ = 204413712. Its totient is φ = 68137902.

The previous prime is 136275793. The next prime is 136275823. The reversal of 136275806 is 608572631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608572631 = 239 ⋅2546329.

It is a self number, because there is not a number n which added to its sum of digits gives 136275806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34068950 + ... + 34068953.

It is an arithmetic number, because the mean of its divisors is an integer number (51103428).

Almost surely, 2^136275806 is an apocalyptic number.

136275806 is a deficient number, since it is larger than the sum of its proper divisors (68137906).

136275806 is an equidigital number, since it uses as much as digits as its factorization.

136275806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68137905.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 136275806 is about 11673.7228851811. The cubic root of 136275806 is about 514.6037181469.

The spelling of 136275806 in words is "one hundred thirty-six million, two hundred seventy-five thousand, eight hundred six".