131520846 has 8 divisors (see below), whose sum is σ = 263041704. Its totient is φ = 43840280.

The previous prime is 131520841. The next prime is 131520863. The reversal of 131520846 is 648025131.

It is a sphenic number, since it is the product of 3 distinct primes.

131520846 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131520841) 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 3 ways as a sum of consecutive naturals, for example, 10960065 + ... + 10960076.

It is an arithmetic number, because the mean of its divisors is an integer number (32880213).

Almost surely, 2^131520846 is an apocalyptic number.

131520846 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131520846 is a wasteful number, since it uses less digits than its factorization.

131520846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21920146.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 131520846 is about 11468.2538339540. The cubic root of 131520846 is about 508.5475088770.

Adding to 131520846 its reverse (648025131), we get a palindrome (779545977).

The spelling of 131520846 in words is "one hundred thirty-one million, five hundred twenty thousand, eight hundred forty-six".