136872097 has 2 divisors, whose sum is σ = 136872098. Its totient is φ = 136872096.

The previous prime is 136872079. The next prime is 136872107. The reversal of 136872097 is 790278631.

It is a happy number.

Together with previous prime (136872079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118287376 + 18584721 = 10876^2 + 4311^2 .

It is a cyclic number.

It is not a de Polignac number, because 136872097 - 2²³ = 128483489 is a prime.

It is not a weakly prime, because it can be changed into another prime (136872017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68436048 + 68436049.

It is an arithmetic number, because the mean of its divisors is an integer number (68436049).

Almost surely, 2^136872097 is an apocalyptic number.

It is an amenable number.

136872097 is a deficient number, since it is larger than the sum of its proper divisors (1).

136872097 is an equidigital number, since it uses as much as digits as its factorization.

136872097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 136872097 is about 11699.2348895131. The cubic root of 136872097 is about 515.3531959923.

The spelling of 136872097 in words is "one hundred thirty-six million, eight hundred seventy-two thousand, ninety-seven".