131240552 has 16 divisors (see below), whose sum is σ = 246357600. Its totient is φ = 65545200.

The previous prime is 131240537. The next prime is 131240563. The reversal of 131240552 is 255042131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1574 + ... + 16277.

It is an arithmetic number, because the mean of its divisors is an integer number (15397350).

Almost surely, 2^131240552 is an apocalyptic number.

It is an amenable number.

131240552 is a deficient number, since it is larger than the sum of its proper divisors (115117048).

131240552 is a wasteful number, since it uses less digits than its factorization.

131240552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18776 (or 18772 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 131240552 is about 11456.0268854433. The cubic root of 131240552 is about 508.1859839399.

Adding to 131240552 its reverse (255042131), we get a palindrome (386282683).

The spelling of 131240552 in words is "one hundred thirty-one million, two hundred forty thousand, five hundred fifty-two".