135943183 has 2 divisors, whose sum is σ = 135943184. Its totient is φ = 135943182.

The previous prime is 135943163. The next prime is 135943189. The reversal of 135943183 is 381349531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135943183 - 2²⁵ = 102388751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135943189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67971591 + 67971592.

It is an arithmetic number, because the mean of its divisors is an integer number (67971592).

Almost surely, 2^135943183 is an apocalyptic number.

135943183 is a deficient number, since it is larger than the sum of its proper divisors (1).

135943183 is an equidigital number, since it uses as much as digits as its factorization.

135943183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 135943183 is about 11659.4675264353. The cubic root of 135943183 is about 514.1846941830.

The spelling of 135943183 in words is "one hundred thirty-five million, nine hundred forty-three thousand, one hundred eighty-three".