136141549 has 2 divisors, whose sum is σ = 136141550. Its totient is φ = 136141548.

The previous prime is 136141529. The next prime is 136141561. The reversal of 136141549 is 945141631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107785924 + 28355625 = 10382^2 + 5325^2 .

It is a cyclic number.

It is not a de Polignac number, because 136141549 - 2⁹ = 136141037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136141519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68070774 + 68070775.

It is an arithmetic number, because the mean of its divisors is an integer number (68070775).

Almost surely, 2^136141549 is an apocalyptic number.

It is an amenable number.

136141549 is a deficient number, since it is larger than the sum of its proper divisors (1).

136141549 is an equidigital number, since it uses as much as digits as its factorization.

136141549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 136141549 is about 11667.9710746985. The cubic root of 136141549 is about 514.4346691807.

The spelling of 136141549 in words is "one hundred thirty-six million, one hundred forty-one thousand, five hundred forty-nine".