86138 has 8 divisors (see below), whose sum is σ = 139188. Its totient is φ = 39744.

The previous prime is 86137. The next prime is 86143. The reversal of 86138 is 83168.

It can be written as a sum of positive squares in 2 ways, for example, as 85849 + 289 = 293^2 + 17^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 3313 = 86138 / (8 + 6 + 1 + 3 + 8).

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (86131) 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, 1631 + ... + 1682.

2⁸⁶¹³⁸ is an apocalyptic number.

86138 is a deficient number, since it is larger than the sum of its proper divisors (53050).

86138 is a wasteful number, since it uses less digits than its factorization.

86138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328.

The product of its digits is 1152, while the sum is 26.

The square root of 86138 is about 293.4927597063. The cubic root of 86138 is about 44.1636468012.

The spelling of 86138 in words is "eighty-six thousand, one hundred thirty-eight".