131481675 has 72 divisors (see below), whose sum is σ = 257275200. Its totient is φ = 63797760.

The previous prime is 131481673. The next prime is 131481709. The reversal of 131481675 is 576184131.

It is not a de Polignac number, because 131481675 - 2¹ = 131481673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131481673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 230791 + ... + 231359.

Almost surely, 2^131481675 is an apocalyptic number.

131481675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131481675 is a deficient number, since it is larger than the sum of its proper divisors (125793525).

131481675 is a wasteful number, since it uses less digits than its factorization.

131481675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 669 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 131481675 is about 11466.5459053719. The cubic root of 131481675 is about 508.4970167737.

The spelling of 131481675 in words is "one hundred thirty-one million, four hundred eighty-one thousand, six hundred seventy-five".