135745943 has 2 divisors, whose sum is σ = 135745944. Its totient is φ = 135745942.

The previous prime is 135745927. The next prime is 135746027. The reversal of 135745943 is 349547531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135745943 - 2⁴ = 135745927 is a prime.

It is a super-2 number, since 2×135745943² = 36853922081918498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135745943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135745343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67872971 + 67872972.

It is an arithmetic number, because the mean of its divisors is an integer number (67872972).

Almost surely, 2^135745943 is an apocalyptic number.

135745943 is a deficient number, since it is larger than the sum of its proper divisors (1).

135745943 is an equidigital number, since it uses as much as digits as its factorization.

135745943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 41.

The square root of 135745943 is about 11651.0060938959. The cubic root of 135745943 is about 513.9358969148.

The spelling of 135745943 in words is "one hundred thirty-five million, seven hundred forty-five thousand, nine hundred forty-three".