136510376609 has 2 divisors, whose sum is σ = 136510376610. Its totient is φ = 136510376608.

The previous prime is 136510376591. The next prime is 136510376663. The reversal of 136510376609 is 906673015631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124027230625 + 12483145984 = 352175^2 + 111728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136510376609 is a prime.

It is not a weakly prime, because it can be changed into another prime (136510376309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68255188304 + 68255188305.

It is an arithmetic number, because the mean of its divisors is an integer number (68255188305).

Almost surely, 2^136510376609 is an apocalyptic number.

It is an amenable number.

136510376609 is a deficient number, since it is larger than the sum of its proper divisors (1).

136510376609 is an equidigital number, since it uses as much as digits as its factorization.

136510376609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 47.

The spelling of 136510376609 in words is "one hundred thirty-six billion, five hundred ten million, three hundred seventy-six thousand, six hundred nine".