131522536 has 16 divisors (see below), whose sum is σ = 246744000. Its totient is φ = 65724144.

The previous prime is 131522477. The next prime is 131522537. The reversal of 131522536 is 635225131.

It is not an unprimeable number, because it can be changed into a prime (131522537) 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 3 ways as a sum of consecutive naturals, for example, 15615 + ... + 22513.

It is an arithmetic number, because the mean of its divisors is an integer number (15421500).

Almost surely, 2^131522536 is an apocalyptic number.

It is an amenable number.

131522536 is a deficient number, since it is larger than the sum of its proper divisors (115221464).

131522536 is a wasteful number, since it uses less digits than its factorization.

131522536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9288 (or 9284 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 131522536 is about 11468.3275153790. The cubic root of 131522536 is about 508.5496870910.

Adding to 131522536 its reverse (635225131), we get a palindrome (766747667).

The spelling of 131522536 in words is "one hundred thirty-one million, five hundred twenty-two thousand, five hundred thirty-six".