131558260 has 12 divisors (see below), whose sum is σ = 276272388. Its totient is φ = 52623296.

The previous prime is 131558249. The next prime is 131558269. The reversal of 131558260 is 62855131.

It can be written as a sum of positive squares in 2 ways, for example, as 27436644 + 104121616 = 5238^2 + 10204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131558269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3288937 + ... + 3288976.

It is an arithmetic number, because the mean of its divisors is an integer number (23022699).

Almost surely, 2^131558260 is an apocalyptic number.

131558260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131558260 is an abundant number, since it is smaller than the sum of its proper divisors (144714128).

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

131558260 is a wasteful number, since it uses less digits than its factorization.

131558260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6577922 (or 6577920 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 131558260 is about 11469.8849165979. The cubic root of 131558260 is about 508.5957268165.

The spelling of 131558260 in words is "one hundred thirty-one million, five hundred fifty-eight thousand, two hundred sixty".