131641268 has 24 divisors (see below), whose sum is σ = 266099904. Its totient is φ = 56316800.

The previous prime is 131641267. The next prime is 131641273. The reversal of 131641268 is 862146131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131641267) 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 7 ways as a sum of consecutive naturals, for example, 87248 + ... + 88743.

It is an arithmetic number, because the mean of its divisors is an integer number (11087496).

Almost surely, 2^131641268 is an apocalyptic number.

It is an amenable number.

131641268 is an abundant number, since it is smaller than the sum of its proper divisors (134458636).

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

131641268 is a wasteful number, since it uses less digits than its factorization.

131641268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176023 (or 176021 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 131641268 is about 11473.5028652979. The cubic root of 131641268 is about 508.7026721806.

Adding to 131641268 its reverse (862146131), we get a palindrome (993787399).

The spelling of 131641268 in words is "one hundred thirty-one million, six hundred forty-one thousand, two hundred sixty-eight".