131268943 has 8 divisors (see below), whose sum is σ = 142447536. Its totient is φ = 120244800.

The previous prime is 131268941. The next prime is 131268947. The reversal of 131268943 is 349862131.

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

It is not a de Polignac number, because 131268943 - 2¹ = 131268941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131268941) 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, 36838 + ... + 40243.

It is an arithmetic number, because the mean of its divisors is an integer number (17805942).

Almost surely, 2^131268943 is an apocalyptic number.

131268943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131268943 is a deficient number, since it is larger than the sum of its proper divisors (11178593).

131268943 is a wasteful number, since it uses less digits than its factorization.

131268943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77225.

The product of its digits is 31104, while the sum is 37.

The square root of 131268943 is about 11457.2659478603. The cubic root of 131268943 is about 508.2226262423. Note that the first 3 decimals are identical.

The spelling of 131268943 in words is "one hundred thirty-one million, two hundred sixty-eight thousand, nine hundred forty-three".