135570943 has 2 divisors, whose sum is σ = 135570944. Its totient is φ = 135570942.

The previous prime is 135570917. The next prime is 135571003. The reversal of 135570943 is 349075531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135570943 - 2⁹ = 135570431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135520943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67785471 + 67785472.

It is an arithmetic number, because the mean of its divisors is an integer number (67785472).

Almost surely, 2^135570943 is an apocalyptic number.

135570943 is a deficient number, since it is larger than the sum of its proper divisors (1).

135570943 is an equidigital number, since it uses as much as digits as its factorization.

135570943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 135570943 is about 11643.4935908429. The cubic root of 135570943 is about 513.7149511869.

The spelling of 135570943 in words is "one hundred thirty-five million, five hundred seventy thousand, nine hundred forty-three".