135155143 has 2 divisors, whose sum is σ = 135155144. Its totient is φ = 135155142.

The previous prime is 135155131. The next prime is 135155161. The reversal of 135155143 is 341551531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135155143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135155173) 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, 67577571 + 67577572.

It is an arithmetic number, because the mean of its divisors is an integer number (67577572).

Almost surely, 2^135155143 is an apocalyptic number.

135155143 is a deficient number, since it is larger than the sum of its proper divisors (1).

135155143 is an equidigital number, since it uses as much as digits as its factorization.

135155143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4500, while the sum is 28.

The square root of 135155143 is about 11625.6244133380. The cubic root of 135155143 is about 513.1892204759.

The spelling of 135155143 in words is "one hundred thirty-five million, one hundred fifty-five thousand, one hundred forty-three".