131047655 has 8 divisors (see below), whose sum is σ = 165534000. Its totient is φ = 99320256.

The previous prime is 131047639. The next prime is 131047661. The reversal of 131047655 is 556740131.

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

It is a cyclic number.

It is not a de Polignac number, because 131047655 - 2⁴ = 131047639 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 689630 + ... + 689819.

It is an arithmetic number, because the mean of its divisors is an integer number (20691750).

Almost surely, 2^131047655 is an apocalyptic number.

131047655 is a deficient number, since it is larger than the sum of its proper divisors (34486345).

131047655 is a wasteful number, since it uses less digits than its factorization.

131047655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379473.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 131047655 is about 11447.6047713048. The cubic root of 131047655 is about 507.9368850743.

Adding to 131047655 its reverse (556740131), we get a palindrome (687787786).

The spelling of 131047655 in words is "one hundred thirty-one million, forty-seven thousand, six hundred fifty-five".