131380867 has 4 divisors (see below), whose sum is σ = 134436280. Its totient is φ = 128325456.

The previous prime is 131380859. The next prime is 131380889. The reversal of 131380867 is 768083131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 768083131 = 1811 ⋅424121.

It is a cyclic number.

It is not a de Polignac number, because 131380867 - 2³ = 131380859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131381867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527642 + ... + 1527727.

It is an arithmetic number, because the mean of its divisors is an integer number (33609070).

Almost surely, 2^131380867 is an apocalyptic number.

131380867 is a deficient number, since it is larger than the sum of its proper divisors (3055413).

131380867 is an equidigital number, since it uses as much as digits as its factorization.

131380867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055412.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 131380867 is about 11462.1493185179. The cubic root of 131380867 is about 508.3670273703.

The spelling of 131380867 in words is "one hundred thirty-one million, three hundred eighty thousand, eight hundred sixty-seven".