136136719 has 2 divisors, whose sum is σ = 136136720. Its totient is φ = 136136718.

The previous prime is 136136669. The next prime is 136136723. The reversal of 136136719 is 917631631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136136719 - 2⁷ = 136136591 is a prime.

It is a super-2 number, since 2×136136719² = 37066412520169922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136136419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68068359 + 68068360.

It is an arithmetic number, because the mean of its divisors is an integer number (68068360).

Almost surely, 2^136136719 is an apocalyptic number.

136136719 is a deficient number, since it is larger than the sum of its proper divisors (1).

136136719 is an equidigital number, since it uses as much as digits as its factorization.

136136719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 37.

The square root of 136136719 is about 11667.7640960040. The cubic root of 136136719 is about 514.4285854419.

The spelling of 136136719 in words is "one hundred thirty-six million, one hundred thirty-six thousand, seven hundred nineteen".