131988543 has 8 divisors (see below), whose sum is σ = 180077568. Its totient is φ = 85945944.

The previous prime is 131988533. The next prime is 131988547. The reversal of 131988543 is 345889131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131988543 - 2⁵ = 131988511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131988495 and 131988504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131988547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511455 + ... + 511712.

It is an arithmetic number, because the mean of its divisors is an integer number (22509696).

Almost surely, 2^131988543 is an apocalyptic number.

131988543 is a deficient number, since it is larger than the sum of its proper divisors (48089025).

131988543 is a wasteful number, since it uses less digits than its factorization.

131988543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023213.

The product of its digits is 103680, while the sum is 42.

The square root of 131988543 is about 11488.6266803304. The cubic root of 131988543 is about 509.1496054897.

The spelling of 131988543 in words is "one hundred thirty-one million, nine hundred eighty-eight thousand, five hundred forty-three".