136998259 has 2 divisors, whose sum is σ = 136998260. Its totient is φ = 136998258.

The previous prime is 136998247. The next prime is 136998271. The reversal of 136998259 is 952899631.

136998259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (136998247) and next prime (136998271).

It is an emirp because it is prime and its reverse (952899631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136998259 is a prime.

It is not a weakly prime, because it can be changed into another prime (136998209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68499129 + 68499130.

It is an arithmetic number, because the mean of its divisors is an integer number (68499130).

Almost surely, 2^136998259 is an apocalyptic number.

136998259 is a deficient number, since it is larger than the sum of its proper divisors (1).

136998259 is an equidigital number, since it uses as much as digits as its factorization.

136998259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 52.

The square root of 136998259 is about 11704.6255386492. The cubic root of 136998259 is about 515.5114898174.

The spelling of 136998259 in words is "one hundred thirty-six million, nine hundred ninety-eight thousand, two hundred fifty-nine".