131143134 has 16 divisors (see below), whose sum is σ = 277715088. Its totient is φ = 41142912.

The previous prime is 131143123. The next prime is 131143141. The reversal of 131143134 is 431341131.

It is a self number, because there is not a number n which added to its sum of digits gives 131143134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642757 + ... + 642960.

It is an arithmetic number, because the mean of its divisors is an integer number (17357193).

Almost surely, 2^131143134 is an apocalyptic number.

131143134 is an abundant number, since it is smaller than the sum of its proper divisors (146571954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131143134 is a wasteful number, since it uses less digits than its factorization.

131143134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285739.

The product of its digits is 432, while the sum is 21.

The square root of 131143134 is about 11451.7742730111. The cubic root of 131143134 is about 508.0602130665.

Adding to 131143134 its reverse (431341131), we get a palindrome (562484265).

The spelling of 131143134 in words is "one hundred thirty-one million, one hundred forty-three thousand, one hundred thirty-four".