135553142143 has 2 divisors, whose sum is σ = 135553142144. Its totient is φ = 135553142142.

The previous prime is 135553142141. The next prime is 135553142183. The reversal of 135553142143 is 341241355531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135553142143 - 2¹ = 135553142141 is a prime.

Together with 135553142141, 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 (135553142141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67776571071 + 67776571072.

It is an arithmetic number, because the mean of its divisors is an integer number (67776571072).

Almost surely, 2^135553142143 is an apocalyptic number.

135553142143 is a deficient number, since it is larger than the sum of its proper divisors (1).

135553142143 is an equidigital number, since it uses as much as digits as its factorization.

135553142143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 37.

Adding to 135553142143 its reverse (341241355531), we get a palindrome (476794497674).

The spelling of 135553142143 in words is "one hundred thirty-five billion, five hundred fifty-three million, one hundred forty-two thousand, one hundred forty-three".