131947827 has 8 divisors (see below), whose sum is σ = 191924160. Its totient is φ = 79968360.

The previous prime is 131947817. The next prime is 131947831. The reversal of 131947827 is 728749131.

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

It is not a de Polignac number, because 131947827 - 2¹⁰ = 131946803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131947807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1999177 + ... + 1999242.

It is an arithmetic number, because the mean of its divisors is an integer number (23990520).

Almost surely, 2^131947827 is an apocalyptic number.

131947827 is a deficient number, since it is larger than the sum of its proper divisors (59976333).

131947827 is a wasteful number, since it uses less digits than its factorization.

131947827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998433.

The product of its digits is 84672, while the sum is 42.

The square root of 131947827 is about 11486.8545302881. The cubic root of 131947827 is about 509.0972457245.

The spelling of 131947827 in words is "one hundred thirty-one million, nine hundred forty-seven thousand, eight hundred twenty-seven".