136000819 has 2 divisors, whose sum is σ = 136000820. Its totient is φ = 136000818.

The previous prime is 136000801. The next prime is 136000861. The reversal of 136000819 is 918000631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136000819 - 2⁹ = 136000307 is a prime.

It is a super-2 number, since 2×136000819² = 36992445537341522, which contains 22 as substring.

136000819 is a modest number, since divided by 819 gives 136 as remainder.

It is not a weakly prime, because it can be changed into another prime (136000889) 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, 68000409 + 68000410.

It is an arithmetic number, because the mean of its divisors is an integer number (68000410).

Almost surely, 2^136000819 is an apocalyptic number.

136000819 is a deficient number, since it is larger than the sum of its proper divisors (1).

136000819 is an equidigital number, since it uses as much as digits as its factorization.

136000819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 136000819 is about 11661.9389039730. The cubic root of 136000819 is about 514.2573504235.

The spelling of 136000819 in words is "one hundred thirty-six million, eight hundred nineteen", and thus it is an aban number.