131067681 has 8 divisors (see below), whose sum is σ = 183954720. Its totient is φ = 82779552.

The previous prime is 131067667. The next prime is 131067691. The reversal of 131067681 is 186760131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131067681 - 2⁵ = 131067649 is a prime.

It is a super-2 number, since 2×131067681² = 34357474005435522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131067691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149660 + ... + 1149773.

It is an arithmetic number, because the mean of its divisors is an integer number (22994340).

Almost surely, 2^131067681 is an apocalyptic number.

It is an amenable number.

131067681 is a deficient number, since it is larger than the sum of its proper divisors (52887039).

131067681 is a wasteful number, since it uses less digits than its factorization.

131067681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299455.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 131067681 is about 11448.4794186826. The cubic root of 131067681 is about 507.9627571535.

The spelling of 131067681 in words is "one hundred thirty-one million, sixty-seven thousand, six hundred eighty-one".