135741943 has 2 divisors, whose sum is σ = 135741944. Its totient is φ = 135741942.

The previous prime is 135741941. The next prime is 135741959. The reversal of 135741943 is 349147531.

135741943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135741943 - 2¹ = 135741941 is a prime.

Together with 135741941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135741941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67870971 + 67870972.

It is an arithmetic number, because the mean of its divisors is an integer number (67870972).

Almost surely, 2^135741943 is an apocalyptic number.

135741943 is a deficient number, since it is larger than the sum of its proper divisors (1).

135741943 is an equidigital number, since it uses as much as digits as its factorization.

135741943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 135741943 is about 11650.8344336361. The cubic root of 135741943 is about 513.9308488479.

The spelling of 135741943 in words is "one hundred thirty-five million, seven hundred forty-one thousand, nine hundred forty-three".