136075447 has 2 divisors, whose sum is σ = 136075448. Its totient is φ = 136075446.

The previous prime is 136075421. The next prime is 136075451. The reversal of 136075447 is 744570631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136075447 - 2²⁷ = 1857719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136075477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68037723 + 68037724.

It is an arithmetic number, because the mean of its divisors is an integer number (68037724).

Almost surely, 2^136075447 is an apocalyptic number.

136075447 is a deficient number, since it is larger than the sum of its proper divisors (1).

136075447 is an equidigital number, since it uses as much as digits as its factorization.

136075447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 136075447 is about 11665.1381046261. The cubic root of 136075447 is about 514.3513963766.

The spelling of 136075447 in words is "one hundred thirty-six million, seventy-five thousand, four hundred forty-seven".