131708863 has 48 divisors (see below), whose sum is σ = 167550208. Its totient is φ = 102643200.

The previous prime is 131708861. The next prime is 131708867. The reversal of 131708863 is 368807131.

It is not a de Polignac number, because 131708863 - 2¹ = 131708861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131708861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1804195 + ... + 1804267.

Almost surely, 2^131708863 is an apocalyptic number.

131708863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131708863 is a deficient number, since it is larger than the sum of its proper divisors (35841345).

131708863 is a wasteful number, since it uses less digits than its factorization.

131708863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 165 counting only the distinct ones).

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

The square root of 131708863 is about 11476.4481874838. The cubic root of 131708863 is about 508.7897266275.

The spelling of 131708863 in words is "one hundred thirty-one million, seven hundred eight thousand, eight hundred sixty-three".