136098181 has 2 divisors, whose sum is σ = 136098182. Its totient is φ = 136098180.

The previous prime is 136098169. The next prime is 136098203. The reversal of 136098181 is 181890631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135349956 + 748225 = 11634^2 + 865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136098181 is a prime.

It is a super-2 number, since 2×136098181² = 37045429743017522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136098181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136095181) 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, 68049090 + 68049091.

It is an arithmetic number, because the mean of its divisors is an integer number (68049091).

Almost surely, 2^136098181 is an apocalyptic number.

It is an amenable number.

136098181 is a deficient number, since it is larger than the sum of its proper divisors (1).

136098181 is an equidigital number, since it uses as much as digits as its factorization.

136098181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 136098181 is about 11666.1125058864. The cubic root of 136098181 is about 514.3800388534.

The spelling of 136098181 in words is "one hundred thirty-six million, ninety-eight thousand, one hundred eighty-one".