136163249 has 2 divisors, whose sum is σ = 136163250. Its totient is φ = 136163248.

The previous prime is 136163231. The next prime is 136163263. The reversal of 136163249 is 942361631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136142224 + 21025 = 11668^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 136163249 - 2⁸ = 136162993 is a prime.

It is not a weakly prime, because it can be changed into another prime (136163299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68081624 + 68081625.

It is an arithmetic number, because the mean of its divisors is an integer number (68081625).

Almost surely, 2^136163249 is an apocalyptic number.

It is an amenable number.

136163249 is a deficient number, since it is larger than the sum of its proper divisors (1).

136163249 is an equidigital number, since it uses as much as digits as its factorization.

136163249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 136163249 is about 11668.9009336784. The cubic root of 136163249 is about 514.4620001445.

The spelling of 136163249 in words is "one hundred thirty-six million, one hundred sixty-three thousand, two hundred forty-nine".