131486 has 8 divisors (see below), whose sum is σ = 204120. Its totient is φ = 63448.
The previous prime is 131479. The next prime is 131489. The reversal of 131486 is 684131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131489) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076 + ... + 1191.
It is an arithmetic number, because the mean of its divisors is an integer number (25515).
2131486 is an apocalyptic number.
131486 is a deficient number, since it is larger than the sum of its proper divisors (72634).
131486 is a wasteful number, since it uses less digits than its factorization.
131486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2298.
The product of its digits is 576, while the sum is 23.
The square root of 131486 is about 362.6099833154. The cubic root of 131486 is about 50.8502592267.
The spelling of 131486 in words is "one hundred thirty-one thousand, four hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •