135253143 has 6 divisors (see below), whose sum is σ = 195365664. Its totient is φ = 90168756.

The previous prime is 135253141. The next prime is 135253147. The reversal of 135253143 is 341352531.

135253143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135253143 - 2¹ = 135253141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135253141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7514055 + ... + 7514072.

It is an arithmetic number, because the mean of its divisors is an integer number (32560944).

Almost surely, 2^135253143 is an apocalyptic number.

135253143 is a deficient number, since it is larger than the sum of its proper divisors (60112521).

135253143 is a wasteful number, since it uses less digits than its factorization.

135253143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15028133 (or 15028130 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 135253143 is about 11629.8384769523. The cubic root of 135253143 is about 513.3132270849.

The spelling of 135253143 in words is "one hundred thirty-five million, two hundred fifty-three thousand, one hundred forty-three".