131886047 has 4 divisors (see below), whose sum is σ = 131913336. Its totient is φ = 131858760.

The previous prime is 131886043. The next prime is 131886061. The reversal of 131886047 is 740688131.

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 131886047 - 2² = 131886043 is a prime.

It is a super-3 number, since 3×131886047³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131886047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131886043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4229 + ... + 16782.

It is an arithmetic number, because the mean of its divisors is an integer number (32978334).

Almost surely, 2^131886047 is an apocalyptic number.

131886047 is a deficient number, since it is larger than the sum of its proper divisors (27289).

131886047 is an equidigital number, since it uses as much as digits as its factorization.

131886047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27288.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 131886047 is about 11484.1650545436. The cubic root of 131886047 is about 509.0177776029.

The spelling of 131886047 in words is "one hundred thirty-one million, eight hundred eighty-six thousand, forty-seven".