131663735 has 12 divisors (see below), whose sum is σ = 183792168. Its totient is φ = 90283536.

The previous prime is 131663717. The next prime is 131663783. The reversal of 131663735 is 537366131.

It is not a de Polignac number, because 131663735 - 2⁶ = 131663671 is a prime.

It is a super-2 number, since 2×131663735² = 34670678228300450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 131663695 and 131663704.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 268457 + ... + 268946.

It is an arithmetic number, because the mean of its divisors is an integer number (15316014).

Almost surely, 2^131663735 is an apocalyptic number.

131663735 is a deficient number, since it is larger than the sum of its proper divisors (52128433).

131663735 is an equidigital number, since it uses as much as digits as its factorization.

131663735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537422 (or 537415 counting only the distinct ones).

The product of its digits is 34020, while the sum is 35.

The square root of 131663735 is about 11474.4819055154. The cubic root of 131663735 is about 508.7316103522.

The spelling of 131663735 in words is "one hundred thirty-one million, six hundred sixty-three thousand, seven hundred thirty-five".