136620097 has 2 divisors, whose sum is σ = 136620098. Its totient is φ = 136620096.

The previous prime is 136620079. The next prime is 136620101. The reversal of 136620097 is 790026631.

Together with previous prime (136620079) 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., 124010496 + 12609601 = 11136^2 + 3551^2 .

It is a cyclic number.

It is not a de Polignac number, because 136620097 - 2⁷ = 136619969 is a prime.

It is not a weakly prime, because it can be changed into another prime (136620017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68310048 + 68310049.

It is an arithmetic number, because the mean of its divisors is an integer number (68310049).

Almost surely, 2^136620097 is an apocalyptic number.

It is an amenable number.

136620097 is a deficient number, since it is larger than the sum of its proper divisors (1).

136620097 is an equidigital number, since it uses as much as digits as its factorization.

136620097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 136620097 is about 11688.4599926594. The cubic root of 136620097 is about 515.0367234315.

The spelling of 136620097 in words is "one hundred thirty-six million, six hundred twenty thousand, ninety-seven".