131368461 has 24 divisors (see below), whose sum is σ = 204187680. Its totient is φ = 74908512.

The previous prime is 131368459. The next prime is 131368477. The reversal of 131368461 is 164863131.

It is not a de Polignac number, because 131368461 - 2¹ = 131368459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131368411) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 128410 + ... + 129428.

It is an arithmetic number, because the mean of its divisors is an integer number (8507820).

Almost surely, 2^131368461 is an apocalyptic number.

It is an amenable number.

131368461 is a deficient number, since it is larger than the sum of its proper divisors (72819219).

131368461 is a wasteful number, since it uses less digits than its factorization.

131368461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913 (or 1906 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 131368461 is about 11461.6081332420. The cubic root of 131368461 is about 508.3510255480.

The spelling of 131368461 in words is "one hundred thirty-one million, three hundred sixty-eight thousand, four hundred sixty-one".