131248260 has 144 divisors (see below), whose sum is σ = 467812800. Its totient is φ = 29364480.

The previous prime is 131248259. The next prime is 131248267. The reversal of 131248260 is 62842131.

It is a super-2 number, since 2×131248260² = 34452211506055200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131248267) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23191 + ... + 28289.

It is an arithmetic number, because the mean of its divisors is an integer number (3248700).

Almost surely, 2^131248260 is an apocalyptic number.

131248260 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 131248260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233906400).

131248260 is an abundant number, since it is smaller than the sum of its proper divisors (336564540).

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

131248260 is a wasteful number, since it uses less digits than its factorization.

131248260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5138 (or 5133 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 131248260 is about 11456.3632973121. The cubic root of 131248260 is about 508.1959326456.

The spelling of 131248260 in words is "one hundred thirty-one million, two hundred forty-eight thousand, two hundred sixty".