131440116 has 24 divisors (see below), whose sum is σ = 311723104. Its totient is φ = 43094880.

The previous prime is 131440091. The next prime is 131440117. The reversal of 131440116 is 611044131.

It is a junction number, because it is equal to n+sod(n) for n = 131440092 and 131440101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131440117) 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, 89050 + ... + 90513.

Almost surely, 2^131440116 is an apocalyptic number.

It is an amenable number.

131440116 is an abundant number, since it is smaller than the sum of its proper divisors (180282988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131440116 is a wasteful number, since it uses less digits than its factorization.

131440116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179631 (or 179629 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 131440116 is about 11464.7335773667. The cubic root of 131440116 is about 508.4434355314.

Adding to 131440116 its reverse (611044131), we get a palindrome (742484247).

The spelling of 131440116 in words is "one hundred thirty-one million, four hundred forty thousand, one hundred sixteen".