131824538 has 16 divisors (see below), whose sum is σ = 201579360. Its totient is φ = 64638000.

The previous prime is 131824507. The next prime is 131824543. The reversal of 131824538 is 835428131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131824498 and 131824507.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 44813 + ... + 47663.

It is an arithmetic number, because the mean of its divisors is an integer number (12598710).

Almost surely, 2^131824538 is an apocalyptic number.

131824538 is a deficient number, since it is larger than the sum of its proper divisors (69754822).

131824538 is a wasteful number, since it uses less digits than its factorization.

131824538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293.

The product of its digits is 23040, while the sum is 35.

The square root of 131824538 is about 11481.4867504170. The cubic root of 131824538 is about 508.9386334129.

The spelling of 131824538 in words is "one hundred thirty-one million, eight hundred twenty-four thousand, five hundred thirty-eight".