131134143 has 48 divisors (see below), whose sum is σ = 221616000. Its totient is φ = 68499648.

The previous prime is 131134103. The next prime is 131134151. The reversal of 131134143 is 341431131.

It is not a de Polignac number, because 131134143 - 2⁸ = 131133887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131134103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80188 + ... + 81806.

It is an arithmetic number, because the mean of its divisors is an integer number (4617000).

Almost surely, 2^131134143 is an apocalyptic number.

131134143 is a deficient number, since it is larger than the sum of its proper divisors (90481857).

131134143 is a wasteful number, since it uses less digits than its factorization.

131134143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684 (or 1677 counting only the distinct ones).

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

The square root of 131134143 is about 11451.3817070256. The cubic root of 131134143 is about 508.0486021555.

Adding to 131134143 its reverse (341431131), we get a palindrome (472565274).

The spelling of 131134143 in words is "one hundred thirty-one million, one hundred thirty-four thousand, one hundred forty-three".