136377149 has 2 divisors, whose sum is σ = 136377150. Its totient is φ = 136377148.

The previous prime is 136377139. The next prime is 136377161. The reversal of 136377149 is 941773631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123054649 + 13322500 = 11093^2 + 3650^2 .

It is a cyclic number.

It is not a de Polignac number, because 136377149 - 2⁸ = 136376893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136377119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68188574 + 68188575.

It is an arithmetic number, because the mean of its divisors is an integer number (68188575).

Almost surely, 2^136377149 is an apocalyptic number.

It is an amenable number.

136377149 is a deficient number, since it is larger than the sum of its proper divisors (1).

136377149 is an equidigital number, since it uses as much as digits as its factorization.

136377149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 41.

The square root of 136377149 is about 11678.0627246132. The cubic root of 136377149 is about 514.7312501077.

The spelling of 136377149 in words is "one hundred thirty-six million, three hundred seventy-seven thousand, one hundred forty-nine".