131518743 has 16 divisors (see below), whose sum is σ = 178254336. Its totient is φ = 86243040.

The previous prime is 131518727. The next prime is 131518747. The reversal of 131518743 is 347815131.

It is not a de Polignac number, because 131518743 - 2⁴ = 131518727 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131518747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47158 + ... + 49868.

It is an arithmetic number, because the mean of its divisors is an integer number (11140896).

Almost surely, 2^131518743 is an apocalyptic number.

131518743 is a deficient number, since it is larger than the sum of its proper divisors (46735593).

131518743 is a wasteful number, since it uses less digits than its factorization.

131518743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974.

The product of its digits is 10080, while the sum is 33.

The square root of 131518743 is about 11468.1621456971. The cubic root of 131518743 is about 508.5447983280.

The spelling of 131518743 in words is "one hundred thirty-one million, five hundred eighteen thousand, seven hundred forty-three".