131542260 has 96 divisors (see below), whose sum is σ = 403522560. Its totient is φ = 31868928.

The previous prime is 131542259. The next prime is 131542297. The reversal of 131542260 is 62245131.

It is a self number, because there is not a number n which added to its sum of digits gives 131542260.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27357 + ... + 31803.

It is an arithmetic number, because the mean of its divisors is an integer number (4203360).

Almost surely, 2^131542260 is an apocalyptic number.

131542260 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 131542260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201761280).

131542260 is an abundant number, since it is smaller than the sum of its proper divisors (271980300).

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

131542260 is a wasteful number, since it uses less digits than its factorization.

131542260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505 (or 4503 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 131542260 is about 11469.1874167266. The cubic root of 131542260 is about 508.5751076588.

Adding to 131542260 its reverse (62245131), we get a palindrome (193787391).

The spelling of 131542260 in words is "one hundred thirty-one million, five hundred forty-two thousand, two hundred sixty".