131887763 has 6 divisors (see below), whose sum is σ = 153420516. Its totient is φ = 113046612.

The previous prime is 131887753. The next prime is 131887783. The reversal of 131887763 is 367788131.

It is not a de Polignac number, because 131887763 - 2¹² = 131883667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131887753) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1345745 + ... + 1345842.

It is an arithmetic number, because the mean of its divisors is an integer number (25570086).

Almost surely, 2^131887763 is an apocalyptic number.

131887763 is a deficient number, since it is larger than the sum of its proper divisors (21532753).

131887763 is an equidigital number, since it uses as much as digits as its factorization.

131887763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691601 (or 2691594 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 131887763 is about 11484.2397658704. The cubic root of 131887763 is about 509.0199852428.

The spelling of 131887763 in words is "one hundred thirty-one million, eight hundred eighty-seven thousand, seven hundred sixty-three".