136103081 has 2 divisors, whose sum is σ = 136103082. Its totient is φ = 136103080.

The previous prime is 136103059. The next prime is 136103083. The reversal of 136103081 is 180301631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124434025 + 11669056 = 11155^2 + 3416^2 .

It is a cyclic number.

It is not a de Polignac number, because 136103081 - 2¹⁴ = 136086697 is a prime.

It is a super-2 number, since 2×136103081² = 37048097315385122, which contains 22 as substring.

Together with 136103083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136103083) 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, 68051540 + 68051541.

It is an arithmetic number, because the mean of its divisors is an integer number (68051541).

Almost surely, 2^136103081 is an apocalyptic number.

It is an amenable number.

136103081 is a deficient number, since it is larger than the sum of its proper divisors (1).

136103081 is an equidigital number, since it uses as much as digits as its factorization.

136103081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 136103081 is about 11666.3225139716. The cubic root of 136103081 is about 514.3862119263.

The spelling of 136103081 in words is "one hundred thirty-six million, one hundred three thousand, eighty-one".