131408867 has 8 divisors (see below), whose sum is σ = 140829216. Its totient is φ = 122297472.

The previous prime is 131408819. The next prime is 131408869. The reversal of 131408867 is 768804131.

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

It is a cyclic number.

It is not a de Polignac number, because 131408867 - 2⁸ = 131408611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131408867.

It is not an unprimeable number, because it can be changed into a prime (131408869) 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, 76358 + ... + 78059.

It is an arithmetic number, because the mean of its divisors is an integer number (17603652).

Almost surely, 2^131408867 is an apocalyptic number.

131408867 is a deficient number, since it is larger than the sum of its proper divisors (9420349).

131408867 is a wasteful number, since it uses less digits than its factorization.

131408867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154477.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 131408867 is about 11463.3706648612. The cubic root of 131408867 is about 508.4031393401.

The spelling of 131408867 in words is "one hundred thirty-one million, four hundred eight thousand, eight hundred sixty-seven".