131533562 has 8 divisors (see below), whose sum is σ = 197390100. Its totient is φ = 65736864.

The previous prime is 131533543. The next prime is 131533579. The reversal of 131533562 is 265335131.

It can be written as a sum of positive squares in 2 ways, for example, as 125238481 + 6295081 = 11191^2 + 2509^2 .

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

It is an unprimeable number.

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, 8987 + ... + 18542.

Almost surely, 2^131533562 is an apocalyptic number.

131533562 is a deficient number, since it is larger than the sum of its proper divisors (65856538).

131533562 is a wasteful number, since it uses less digits than its factorization.

131533562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29920.

The product of its digits is 8100, while the sum is 29.

The square root of 131533562 is about 11468.8082205607. The cubic root of 131533562 is about 508.5638978676.

Adding to 131533562 its reverse (265335131), we get a palindrome (396868693).

The spelling of 131533562 in words is "one hundred thirty-one million, five hundred thirty-three thousand, five hundred sixty-two".