135552143 has 2 divisors, whose sum is σ = 135552144. Its totient is φ = 135552142.

The previous prime is 135552139. The next prime is 135552163. The reversal of 135552143 is 341255531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135552143 - 2² = 135552139 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135552163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67776071 + 67776072.

It is an arithmetic number, because the mean of its divisors is an integer number (67776072).

Almost surely, 2^135552143 is an apocalyptic number.

135552143 is a deficient number, since it is larger than the sum of its proper divisors (1).

135552143 is an equidigital number, since it uses as much as digits as its factorization.

135552143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 29.

The square root of 135552143 is about 11642.6862450209. The cubic root of 135552143 is about 513.6912039951.

The spelling of 135552143 in words is "one hundred thirty-five million, five hundred fifty-two thousand, one hundred forty-three".