136705099 has 2 divisors, whose sum is σ = 136705100. Its totient is φ = 136705098.

The previous prime is 136705069. The next prime is 136705139. The reversal of 136705099 is 990507631.

It is an a-pointer prime, because the next prime (136705139) can be obtained adding 136705099 to its sum of digits (40).

It is a weak prime.

It is an emirp because it is prime and its reverse (990507631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136705099 - 2²³ = 128316491 is a prime.

It is not a weakly prime, because it can be changed into another prime (136705069) 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, 68352549 + 68352550.

It is an arithmetic number, because the mean of its divisors is an integer number (68352550).

Almost surely, 2^136705099 is an apocalyptic number.

136705099 is a deficient number, since it is larger than the sum of its proper divisors (1).

136705099 is an equidigital number, since it uses as much as digits as its factorization.

136705099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 136705099 is about 11692.0955777825. The cubic root of 136705099 is about 515.1435161025.

It can be divided in two parts, 13670 and 5099, that added together give a square (18769 = 137²).

The spelling of 136705099 in words is "one hundred thirty-six million, seven hundred five thousand, ninety-nine".