131794 has 16 divisors (see below), whose sum is σ = 220248. Its totient is φ = 58752.
The previous prime is 131783. The next prime is 131797. The reversal of 131794 is 497131.
It can be written as a sum of positive squares in 4 ways, for example, as 119025 + 12769 = 345^2 + 113^2 .
Its product of digits (756) is a multiple of the sum of its prime divisors (189).
It is not an unprimeable number, because it can be changed into a prime (131797) 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, 894 + ... + 1030.
2131794 is an apocalyptic number.
131794 is a deficient number, since it is larger than the sum of its proper divisors (88454).
131794 is a wasteful number, since it uses less digits than its factorization.
131794 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189.
The product of its digits is 756, while the sum is 25.
The square root of 131794 is about 363.0344336285. The cubic root of 131794 is about 50.8899330745.
Subtracting from 131794 its sum of digits (25), we obtain a square (131769 = 3632).
The spelling of 131794 in words is "one hundred thirty-one thousand, seven hundred ninety-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •