131687883 has 16 divisors (see below), whose sum is σ = 197447040. Its totient is φ = 86732712.

The previous prime is 131687867. The next prime is 131687891. The reversal of 131687883 is 388786131.

It is not a de Polignac number, because 131687883 - 2⁴ = 131687867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131687813) 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, 27141 + ... + 31622.

It is an arithmetic number, because the mean of its divisors is an integer number (12340440).

Almost surely, 2^131687883 is an apocalyptic number.

131687883 is a deficient number, since it is larger than the sum of its proper divisors (65759157).

131687883 is an equidigital number, since it uses as much as digits as its factorization.

131687883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58855 (or 58849 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 131687883 is about 11475.5341052171. The cubic root of 131687883 is about 508.7627100319.

The spelling of 131687883 in words is "one hundred thirty-one million, six hundred eighty-seven thousand, eight hundred eighty-three".