131590143 has 32 divisors (see below), whose sum is σ = 206400000. Its totient is φ = 82627776.

The previous prime is 131590127. The next prime is 131590157. The reversal of 131590143 is 341095131.

131590143 is a `hidden beast` number, since 1 + 31 + 590 + 1 + 43 = 666.

It is not a de Polignac number, because 131590143 - 2⁴ = 131590127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131590163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101443 + ... + 102731.

It is an arithmetic number, because the mean of its divisors is an integer number (6450000).

Almost surely, 2^131590143 is an apocalyptic number.

131590143 is a deficient number, since it is larger than the sum of its proper divisors (74809857).

131590143 is a wasteful number, since it uses less digits than its factorization.

131590143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516 (or 1510 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 131590143 is about 11471.2746894144. The cubic root of 131590143 is about 508.6368093701.

The spelling of 131590143 in words is "one hundred thirty-one million, five hundred ninety thousand, one hundred forty-three".