136106819 has 2 divisors, whose sum is σ = 136106820. Its totient is φ = 136106818.

The previous prime is 136106813. The next prime is 136106851. The reversal of 136106819 is 918601631.

It is a weak prime.

It is an emirp because it is prime and its reverse (918601631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136106819 - 2¹² = 136102723 is a prime.

It is a super-2 number, since 2×136106819² = 37050132356597522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136106813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68053409 + 68053410.

It is an arithmetic number, because the mean of its divisors is an integer number (68053410).

Almost surely, 2^136106819 is an apocalyptic number.

136106819 is a deficient number, since it is larger than the sum of its proper divisors (1).

136106819 is an equidigital number, since it uses as much as digits as its factorization.

136106819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 136106819 is about 11666.4827175975. The cubic root of 136106819 is about 514.3909209993.

The spelling of 136106819 in words is "one hundred thirty-six million, one hundred six thousand, eight hundred nineteen".