131687367 has 16 divisors (see below), whose sum is σ = 205562112. Its totient is φ = 73414080.

The previous prime is 131687333. The next prime is 131687377. The reversal of 131687367 is 763786131.

It is not a de Polignac number, because 131687367 - 2⁷ = 131687239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131687317) 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 15 ways as a sum of consecutive naturals, for example, 75613 + ... + 77334.

It is an arithmetic number, because the mean of its divisors is an integer number (12847632).

Almost surely, 2^131687367 is an apocalyptic number.

131687367 is a deficient number, since it is larger than the sum of its proper divisors (73874745).

131687367 is a wasteful number, since it uses less digits than its factorization.

131687367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152998.

The product of its digits is 127008, while the sum is 42.

The square root of 131687367 is about 11475.5116225814. The cubic root of 131687367 is about 508.7620455265.

The spelling of 131687367 in words is "one hundred thirty-one million, six hundred eighty-seven thousand, three hundred sixty-seven".