135143134 has 16 divisors (see below), whose sum is σ = 237325536. Its totient is φ = 56505600.

The previous prime is 135143131. The next prime is 135143159. The reversal of 135143134 is 431341531.

135143134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 135143099 and 135143108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135143131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117147 + ... + 118294.

It is an arithmetic number, because the mean of its divisors is an integer number (14832846).

Almost surely, 2^135143134 is an apocalyptic number.

135143134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135143134 is a deficient number, since it is larger than the sum of its proper divisors (102182402).

135143134 is a wasteful number, since it uses less digits than its factorization.

135143134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235491.

The product of its digits is 2160, while the sum is 25.

The square root of 135143134 is about 11625.1079134776. The cubic root of 135143134 is about 513.1740204824.

Adding to 135143134 its reverse (431341531), we get a palindrome (566484665).

The spelling of 135143134 in words is "one hundred thirty-five million, one hundred forty-three thousand, one hundred thirty-four".