136131559 has 2 divisors, whose sum is σ = 136131560. Its totient is φ = 136131558.

The previous prime is 136131551. The next prime is 136131581. The reversal of 136131559 is 955131631.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (955131631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136131559 - 2³ = 136131551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136131551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68065779 + 68065780.

It is an arithmetic number, because the mean of its divisors is an integer number (68065780).

Almost surely, 2^136131559 is an apocalyptic number.

136131559 is a deficient number, since it is larger than the sum of its proper divisors (1).

136131559 is an equidigital number, since it uses as much as digits as its factorization.

136131559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12150, while the sum is 34.

The square root of 136131559 is about 11667.5429718514. The cubic root of 136131559 is about 514.4220858851.

The spelling of 136131559 in words is "one hundred thirty-six million, one hundred thirty-one thousand, five hundred fifty-nine".