136535137 has 2 divisors, whose sum is σ = 136535138. Its totient is φ = 136535136.

The previous prime is 136535111. The next prime is 136535171. The reversal of 136535137 is 731535631.

It is an a-pointer prime, because the next prime (136535171) can be obtained adding 136535137 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94945536 + 41589601 = 9744^2 + 6449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136535137 is a prime.

It is not a weakly prime, because it can be changed into another prime (136535837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68267568 + 68267569.

It is an arithmetic number, because the mean of its divisors is an integer number (68267569).

Almost surely, 2^136535137 is an apocalyptic number.

It is an amenable number.

136535137 is a deficient number, since it is larger than the sum of its proper divisors (1).

136535137 is an equidigital number, since it uses as much as digits as its factorization.

136535137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 34.

The square root of 136535137 is about 11684.8250735730. The cubic root of 136535137 is about 514.9299392550.

The spelling of 136535137 in words is "one hundred thirty-six million, five hundred thirty-five thousand, one hundred thirty-seven".