131543755 has 16 divisors (see below), whose sum is σ = 183363264. Its totient is φ = 88721280.

The previous prime is 131543747. The next prime is 131543791. The reversal of 131543755 is 557345131.

It is not a de Polignac number, because 131543755 - 2³ = 131543747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131543755.

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 15 ways as a sum of consecutive naturals, for example, 28672 + ... + 32941.

It is an arithmetic number, because the mean of its divisors is an integer number (11460204).

Almost surely, 2^131543755 is an apocalyptic number.

131543755 is a deficient number, since it is larger than the sum of its proper divisors (51819509).

131543755 is an equidigital number, since it uses as much as digits as its factorization.

131543755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61686.

The product of its digits is 31500, while the sum is 34.

The square root of 131543755 is about 11469.2525911674. The cubic root of 131543755 is about 508.5770343322.

Adding to 131543755 its reverse (557345131), we get a palindrome (688888886).

The spelling of 131543755 in words is "one hundred thirty-one million, five hundred forty-three thousand, seven hundred fifty-five".