136246249 has 2 divisors, whose sum is σ = 136246250. Its totient is φ = 136246248.

The previous prime is 136246223. The next prime is 136246267. The reversal of 136246249 is 942642631.

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., 69006249 + 67240000 = 8307^2 + 8200^2 .

It is a cyclic number.

It is not a de Polignac number, because 136246249 - 2⁹ = 136245737 is a prime.

It is equal to p_7711849 and since 136246249 and 7711849 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (136246219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68123124 + 68123125.

It is an arithmetic number, because the mean of its divisors is an integer number (68123125).

Almost surely, 2^136246249 is an apocalyptic number.

It is an amenable number.

136246249 is a deficient number, since it is larger than the sum of its proper divisors (1).

136246249 is an equidigital number, since it uses as much as digits as its factorization.

136246249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 37.

The square root of 136246249 is about 11672.4568536363. The cubic root of 136246249 is about 514.5665111465.

The spelling of 136246249 in words is "one hundred thirty-six million, two hundred forty-six thousand, two hundred forty-nine".