136696519 has 2 divisors, whose sum is σ = 136696520. Its totient is φ = 136696518.

The previous prime is 136696499. The next prime is 136696579. The reversal of 136696519 is 915696631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136696519 - 2²³ = 128307911 is a prime.

It is a super-2 number, since 2×136696519² = 37371876613434722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136696579) 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, 68348259 + 68348260.

It is an arithmetic number, because the mean of its divisors is an integer number (68348260).

Almost surely, 2^136696519 is an apocalyptic number.

136696519 is a deficient number, since it is larger than the sum of its proper divisors (1).

136696519 is an equidigital number, since it uses as much as digits as its factorization.

136696519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 46.

The square root of 136696519 is about 11691.7286574741. The cubic root of 136696519 is about 515.1327385873.

The spelling of 136696519 in words is "one hundred thirty-six million, six hundred ninety-six thousand, five hundred nineteen".