136113643 has 2 divisors, whose sum is σ = 136113644. Its totient is φ = 136113642.

The previous prime is 136113613. The next prime is 136113671. The reversal of 136113643 is 346311631.

It is an a-pointer prime, because the next prime (136113671) can be obtained adding 136113643 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136113643 is a prime.

It is not a weakly prime, because it can be changed into another prime (136113613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68056821 + 68056822.

It is an arithmetic number, because the mean of its divisors is an integer number (68056822).

Almost surely, 2^136113643 is an apocalyptic number.

136113643 is a deficient number, since it is larger than the sum of its proper divisors (1).

136113643 is an equidigital number, since it uses as much as digits as its factorization.

136113643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 28.

The square root of 136113643 is about 11666.7751756859. The cubic root of 136113643 is about 514.3995175438.

The spelling of 136113643 in words is "one hundred thirty-six million, one hundred thirteen thousand, six hundred forty-three".