131556327 has 24 divisors (see below), whose sum is σ = 205148016. Its totient is φ = 74769408.

The previous prime is 131556317. The next prime is 131556401. The reversal of 131556327 is 723655131.

It is not a de Polignac number, because 131556327 - 2⁴ = 131556311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131556317) 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 23 ways as a sum of consecutive naturals, for example, 26053 + ... + 30689.

It is an arithmetic number, because the mean of its divisors is an integer number (8547834).

Almost surely, 2^131556327 is an apocalyptic number.

131556327 is a deficient number, since it is larger than the sum of its proper divisors (73591689).

131556327 is a wasteful number, since it uses less digits than its factorization.

131556327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847 (or 4840 counting only the distinct ones).

The product of its digits is 18900, while the sum is 33.

The square root of 131556327 is about 11469.8006521474. The cubic root of 131556327 is about 508.5932358533.

The spelling of 131556327 in words is "one hundred thirty-one million, five hundred fifty-six thousand, three hundred twenty-seven".