136614811 has 2 divisors, whose sum is σ = 136614812. Its totient is φ = 136614810.

The previous prime is 136614787. The next prime is 136614847. The reversal of 136614811 is 118416631.

It is a weak prime.

It is an emirp because it is prime and its reverse (118416631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136614811 is a prime.

It is not a weakly prime, because it can be changed into another prime (136614211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68307405 + 68307406.

It is an arithmetic number, because the mean of its divisors is an integer number (68307406).

Almost surely, 2^136614811 is an apocalyptic number.

136614811 is a deficient number, since it is larger than the sum of its proper divisors (1).

136614811 is an equidigital number, since it uses as much as digits as its factorization.

136614811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 31.

The square root of 136614811 is about 11688.2338700079. The cubic root of 136614811 is about 515.0300808772.

The spelling of 136614811 in words is "one hundred thirty-six million, six hundred fourteen thousand, eight hundred eleven".