131140056 has 64 divisors (see below), whose sum is σ = 333849600. Its totient is φ = 42922368.

The previous prime is 131140049. The next prime is 131140063. The reversal of 131140056 is 650041131.

It is an interprime number because it is at equal distance from previous prime (131140049) and next prime (131140063).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572550 + ... + 572778.

It is an arithmetic number, because the mean of its divisors is an integer number (5216400).

Almost surely, 2^131140056 is an apocalyptic number.

It is an amenable number.

131140056 is an abundant number, since it is smaller than the sum of its proper divisors (202709544).

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

131140056 is a wasteful number, since it uses less digits than its factorization.

131140056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 131140056 is about 11451.6398825670. The cubic root of 131140056 is about 508.0562382197.

Adding to 131140056 its reverse (650041131), we get a palindrome (781181187).

The spelling of 131140056 in words is "one hundred thirty-one million, one hundred forty thousand, fifty-six".