131325005 has 16 divisors (see below), whose sum is σ = 181257600. Its totient is φ = 89474112.

The previous prime is 131325001. The next prime is 131325023. The reversal of 131325005 is 500523131.

It is not a de Polignac number, because 131325005 - 2² = 131325001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131325001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6455 + ... + 17444.

It is an arithmetic number, because the mean of its divisors is an integer number (11328600).

Almost surely, 2^131325005 is an apocalyptic number.

It is an amenable number.

131325005 is a deficient number, since it is larger than the sum of its proper divisors (49932595).

131325005 is a wasteful number, since it uses less digits than its factorization.

131325005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24068.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 131325005 is about 11459.7122564225. The cubic root of 131325005 is about 508.2949660791.

Adding to 131325005 its reverse (500523131), we get a palindrome (631848136).

The spelling of 131325005 in words is "one hundred thirty-one million, three hundred twenty-five thousand, five".