136048897 has 4 divisors (see below), whose sum is σ = 136127236. Its totient is φ = 135970560.

The previous prime is 136048817. The next prime is 136048901. The reversal of 136048897 is 798840631.

It is a happy number.

It is a Cunningham number, because it is equal to 108⁴+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 798840631 = 2999 ⋅266369.

It can be written as a sum of positive squares in 2 ways, for example, as 68956416 + 67092481 = 8304^2 + 8191^2 .

It is a cyclic number.

It is not a de Polignac number, because 136048897 - 2⁷ = 136048769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136048817) 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, 36504 + ... + 40057.

It is an arithmetic number, because the mean of its divisors is an integer number (34031809).

Almost surely, 2^136048897 is an apocalyptic number.

It is an amenable number.

136048897 is a deficient number, since it is larger than the sum of its proper divisors (78339).

136048897 is an equidigital number, since it uses as much as digits as its factorization.

136048897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78338.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 136048897 is about 11664.0000428669. Note that the first 4 decimals coincide. The cubic root of 136048897 is about 514.3179420978.

The spelling of 136048897 in words is "one hundred thirty-six million, forty-eight thousand, eight hundred ninety-seven".