136253417 has 2 divisors, whose sum is σ = 136253418. Its totient is φ = 136253416.

The previous prime is 136253387. The next prime is 136253441. The reversal of 136253417 is 714352631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70627216 + 65626201 = 8404^2 + 8101^2 .

It is a cyclic number.

It is not a de Polignac number, because 136253417 - 2¹⁰ = 136252393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136253477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68126708 + 68126709.

It is an arithmetic number, because the mean of its divisors is an integer number (68126709).

Almost surely, 2^136253417 is an apocalyptic number.

It is an amenable number.

136253417 is a deficient number, since it is larger than the sum of its proper divisors (1).

136253417 is an equidigital number, since it uses as much as digits as its factorization.

136253417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The square root of 136253417 is about 11672.7638972096. The cubic root of 136253417 is about 514.5755348765.

The spelling of 136253417 in words is "one hundred thirty-six million, two hundred fifty-three thousand, four hundred seventeen".