135112143 has 16 divisors (see below), whose sum is σ = 188282880. Its totient is φ = 86020704.

The previous prime is 135112139. The next prime is 135112147. The reversal of 135112143 is 341211531.

135112143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135112139) and next prime (135112147).

It is not a de Polignac number, because 135112143 - 2² = 135112139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135112147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58413 + ... + 60681.

It is an arithmetic number, because the mean of its divisors is an integer number (11767680).

Almost surely, 2^135112143 is an apocalyptic number.

135112143 is a deficient number, since it is larger than the sum of its proper divisors (53170737).

135112143 is a wasteful number, since it uses less digits than its factorization.

135112143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158.

The product of its digits is 360, while the sum is 21.

The square root of 135112143 is about 11623.7749031887. The cubic root of 135112143 is about 513.1347904911.

Adding to 135112143 its reverse (341211531), we get a palindrome (476323674).

The spelling of 135112143 in words is "one hundred thirty-five million, one hundred twelve thousand, one hundred forty-three".