136906242113 has 2 divisors, whose sum is σ = 136906242114. Its totient is φ = 136906242112.

The previous prime is 136906242073. The next prime is 136906242131. The reversal of 136906242113 is 311242609631.

Together with next prime (136906242131) 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., 105020068624 + 31886173489 = 324068^2 + 178567^2 .

It is a cyclic number.

It is not a de Polignac number, because 136906242113 - 2¹⁰ = 136906241089 is a prime.

It is not a weakly prime, because it can be changed into another prime (136906242133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68453121056 + 68453121057.

It is an arithmetic number, because the mean of its divisors is an integer number (68453121057).

Almost surely, 2^136906242113 is an apocalyptic number.

It is an amenable number.

136906242113 is a deficient number, since it is larger than the sum of its proper divisors (1).

136906242113 is an equidigital number, since it uses as much as digits as its factorization.

136906242113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 136906242113 in words is "one hundred thirty-six billion, nine hundred six million, two hundred forty-two thousand, one hundred thirteen".