135945143 has 2 divisors, whose sum is σ = 135945144. Its totient is φ = 135945142.

The previous prime is 135945071. The next prime is 135945151. The reversal of 135945143 is 341549531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135945143 - 2¹⁸ = 135682999 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135945193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67972571 + 67972572.

It is an arithmetic number, because the mean of its divisors is an integer number (67972572).

Almost surely, 2^135945143 is an apocalyptic number.

135945143 is a deficient number, since it is larger than the sum of its proper divisors (1).

135945143 is an equidigital number, since it uses as much as digits as its factorization.

135945143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The square root of 135945143 is about 11659.5515779982. The cubic root of 135945143 is about 514.1871653064.

The spelling of 135945143 in words is "one hundred thirty-five million, nine hundred forty-five thousand, one hundred forty-three".