131430536 has 16 divisors (see below), whose sum is σ = 260928540. Its totient is φ = 61849600.

The previous prime is 131430529. The next prime is 131430599. The reversal of 131430536 is 635034131.

It can be written as a sum of positive squares in 2 ways, for example, as 126112900 + 5317636 = 11230^2 + 2306^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483065 + ... + 483336.

Almost surely, 2^131430536 is an apocalyptic number.

It is an amenable number.

131430536 is a deficient number, since it is larger than the sum of its proper divisors (129498004).

131430536 is a wasteful number, since it uses less digits than its factorization.

131430536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966424 (or 966420 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 131430536 is about 11464.3157667608. The cubic root of 131430536 is about 508.4310826146.

Adding to 131430536 its reverse (635034131), we get a palindrome (766464667).

The spelling of 131430536 in words is "one hundred thirty-one million, four hundred thirty thousand, five hundred thirty-six".