136363819 has 2 divisors, whose sum is σ = 136363820. Its totient is φ = 136363818.

The previous prime is 136363769. The next prime is 136363841. The reversal of 136363819 is 918363631.

It is a strong prime.

It is an emirp because it is prime and its reverse (918363631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136363819 - 2²¹ = 134266667 is a prime.

It is a super-2 number, since 2×136363819² = 37190182264529522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136363889) 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, 68181909 + 68181910.

It is an arithmetic number, because the mean of its divisors is an integer number (68181910).

Almost surely, 2^136363819 is an apocalyptic number.

136363819 is a deficient number, since it is larger than the sum of its proper divisors (1).

136363819 is an equidigital number, since it uses as much as digits as its factorization.

136363819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 136363819 is about 11677.4919824421. The cubic root of 136363819 is about 514.7144789913.

The spelling of 136363819 in words is "one hundred thirty-six million, three hundred sixty-three thousand, eight hundred nineteen".