135646843 has 2 divisors, whose sum is σ = 135646844. Its totient is φ = 135646842.

The previous prime is 135646831. The next prime is 135646853. The reversal of 135646843 is 348646531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135646843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135646796 and 135646805.

It is not a weakly prime, because it can be changed into another prime (135646853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67823421 + 67823422.

It is an arithmetic number, because the mean of its divisors is an integer number (67823422).

Almost surely, 2^135646843 is an apocalyptic number.

135646843 is a deficient number, since it is larger than the sum of its proper divisors (1).

135646843 is an equidigital number, since it uses as much as digits as its factorization.

135646843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 40.

The square root of 135646843 is about 11646.7524658164. The cubic root of 135646843 is about 513.8108018408.

The spelling of 135646843 in words is "one hundred thirty-five million, six hundred forty-six thousand, eight hundred forty-three".