131627191 has 4 divisors (see below), whose sum is σ = 131733000. Its totient is φ = 131521384.

The previous prime is 131627189. The next prime is 131627207. The reversal of 131627191 is 191726131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131627191 - 2¹ = 131627189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131627101) by changing a digit.

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, 51016 + ... + 53533.

It is an arithmetic number, because the mean of its divisors is an integer number (32933250).

Almost surely, 2^131627191 is an apocalyptic number.

131627191 is a deficient number, since it is larger than the sum of its proper divisors (105809).

131627191 is a wasteful number, since it uses less digits than its factorization.

131627191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105808.

The product of its digits is 2268, while the sum is 31.

The square root of 131627191 is about 11472.8893919535. The cubic root of 131627191 is about 508.6845389034.

The spelling of 131627191 in words is "one hundred thirty-one million, six hundred twenty-seven thousand, one hundred ninety-one".