136617049249 has 2 divisors, whose sum is σ = 136617049250. Its totient is φ = 136617049248.

The previous prime is 136617049207. The next prime is 136617049277. The reversal of 136617049249 is 942940716631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89127922849 + 47489126400 = 298543^2 + 217920^2 .

It is a cyclic number.

It is not a de Polignac number, because 136617049249 - 2²³ = 136608660641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136617049196 and 136617049205.

It is not a weakly prime, because it can be changed into another prime (136617049649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68308524624 + 68308524625.

It is an arithmetic number, because the mean of its divisors is an integer number (68308524625).

Almost surely, 2^136617049249 is an apocalyptic number.

It is an amenable number.

136617049249 is a deficient number, since it is larger than the sum of its proper divisors (1).

136617049249 is an equidigital number, since it uses as much as digits as its factorization.

136617049249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 136617049249 in words is "one hundred thirty-six billion, six hundred seventeen million, forty-nine thousand, two hundred forty-nine".