131310140 has 72 divisors (see below), whose sum is σ = 313639200. Its totient is φ = 45899136.

The previous prime is 131310119. The next prime is 131310187. The reversal of 131310140 is 41013131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93161 + ... + 94559.

It is an arithmetic number, because the mean of its divisors is an integer number (4356100).

Almost surely, 2^131310140 is an apocalyptic number.

131310140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131310140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156819600).

131310140 is an abundant number, since it is smaller than the sum of its proper divisors (182329060).

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

131310140 is a wasteful number, since it uses less digits than its factorization.

131310140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 131310140 is about 11459.0636615738. The cubic root of 131310140 is about 508.2757869701.

Adding to 131310140 its reverse (41013131), we get a palindrome (172323271).

The spelling of 131310140 in words is "one hundred thirty-one million, three hundred ten thousand, one hundred forty".