131462540 has 48 divisors (see below), whose sum is σ = 301964544. Its totient is φ = 47678400.

The previous prime is 131462533. The next prime is 131462543. The reversal of 131462540 is 45264131.

It is not an unprimeable number, because it can be changed into a prime (131462543) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 138347 + ... + 139293.

It is an arithmetic number, because the mean of its divisors is an integer number (6290928).

Almost surely, 2^131462540 is an apocalyptic number.

131462540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131462540 is an abundant number, since it is smaller than the sum of its proper divisors (170502004).

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

131462540 is a wasteful number, since it uses less digits than its factorization.

131462540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598 (or 1596 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 131462540 is about 11465.7114912246. The cubic root of 131462540 is about 508.4723477784.

The spelling of 131462540 in words is "one hundred thirty-one million, four hundred sixty-two thousand, five hundred forty".