136266479 has 2 divisors, whose sum is σ = 136266480. Its totient is φ = 136266478.

The previous prime is 136266463. The next prime is 136266601. The reversal of 136266479 is 974662631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136266479 - 2⁴ = 136266463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136266419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68133239 + 68133240.

It is an arithmetic number, because the mean of its divisors is an integer number (68133240).

Almost surely, 2^136266479 is an apocalyptic number.

136266479 is a deficient number, since it is larger than the sum of its proper divisors (1).

136266479 is an equidigital number, since it uses as much as digits as its factorization.

136266479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 44.

The square root of 136266479 is about 11673.3233913912. The cubic root of 136266479 is about 514.5919776956.

The spelling of 136266479 in words is "one hundred thirty-six million, two hundred sixty-six thousand, four hundred seventy-nine".