136418479 has 2 divisors, whose sum is σ = 136418480. Its totient is φ = 136418478.

The previous prime is 136418437. The next prime is 136418533. The reversal of 136418479 is 974814631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136418479 - 2¹⁷ = 136287407 is a prime.

It is a super-2 number, since 2×136418479² = 37220002825346882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136418179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68209239 + 68209240.

It is an arithmetic number, because the mean of its divisors is an integer number (68209240).

Almost surely, 2^136418479 is an apocalyptic number.

136418479 is a deficient number, since it is larger than the sum of its proper divisors (1).

136418479 is an equidigital number, since it uses as much as digits as its factorization.

136418479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 136418479 is about 11679.8321477665. The cubic root of 136418479 is about 514.7832424296.

The spelling of 136418479 in words is "one hundred thirty-six million, four hundred eighteen thousand, four hundred seventy-nine".