131326845 has 64 divisors (see below), whose sum is σ = 234710784. Its totient is φ = 62300160.

The previous prime is 131326837. The next prime is 131326847. The reversal of 131326845 is 548623131.

It is not a de Polignac number, because 131326845 - 2³ = 131326837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131326847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1002430 + ... + 1002560.

It is an arithmetic number, because the mean of its divisors is an integer number (3667356).

Almost surely, 2^131326845 is an apocalyptic number.

131326845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131326845 is a deficient number, since it is larger than the sum of its proper divisors (103383939).

131326845 is a wasteful number, since it uses less digits than its factorization.

131326845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302.

The product of its digits is 17280, while the sum is 33.

The square root of 131326845 is about 11459.7925373891. The cubic root of 131326845 is about 508.2973399819.

Adding to 131326845 its reverse (548623131), we get a palindrome (679949976).

The spelling of 131326845 in words is "one hundred thirty-one million, three hundred twenty-six thousand, eight hundred forty-five".