134281143 has 12 divisors (see below), whose sum is σ = 194143560. Its totient is φ = 89436816.

The previous prime is 134281127. The next prime is 134281187. The reversal of 134281143 is 341182431.

134281143 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 134281143 - 2⁴ = 134281127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134281643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4053 + ... + 16881.

It is an arithmetic number, because the mean of its divisors is an integer number (16178630).

Almost surely, 2^134281143 is an apocalyptic number.

134281143 is a deficient number, since it is larger than the sum of its proper divisors (59862417).

134281143 is a wasteful number, since it uses less digits than its factorization.

134281143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13998 (or 13995 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 134281143 is about 11587.9740679724. The cubic root of 134281143 is about 512.0806236461.

The spelling of 134281143 in words is "one hundred thirty-four million, two hundred eighty-one thousand, one hundred forty-three".