132861 has 8 divisors (see below), whose sum is σ = 180064. Its totient is φ = 87120.

The previous prime is 132859. The next prime is 132863. The reversal of 132861 is 168231.

It is an interprime number because it is at equal distance from previous prime (132859) and next prime (132863).

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

It is not a de Polignac number, because 132861 - 2¹ = 132859 is a prime.

It is the 365-th Hogben number.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132863) by changing a digit.

It is a nontrivial repunit in base 364.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130 + ... + 531.

It is an arithmetic number, because the mean of its divisors is an integer number (22508).

2¹³²⁸⁶¹ is an apocalyptic number.

It is an amenable number.

132861 is a deficient number, since it is larger than the sum of its proper divisors (47203).

132861 is an equidigital number, since it uses as much as digits as its factorization.

132861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731.

The product of its digits is 288, while the sum is 21.

The square root of 132861 is about 364.5010288051. The cubic root of 132861 is about 51.0268985365.

The spelling of 132861 in words is "one hundred thirty-two thousand, eight hundred sixty-one".