86318137 has 2 divisors, whose sum is σ = 86318138. Its totient is φ = 86318136.

The previous prime is 86318131. The next prime is 86318143. The reversal of 86318137 is 73181368.

It is a balanced prime because it is at equal distance from previous prime (86318131) and next prime (86318143).

It can be written as a sum of positive squares in only one way, i.e., 75533481 + 10784656 = 8691^2 + 3284^2 .

It is a cyclic number.

It is not a de Polignac number, because 86318137 - 2⁷ = 86318009 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 86318096 and 86318105.

It is not a weakly prime, because it can be changed into another prime (86318131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43159068 + 43159069.

It is an arithmetic number, because the mean of its divisors is an integer number (43159069).

Almost surely, 2^86318137 is an apocalyptic number.

It is an amenable number.

86318137 is a deficient number, since it is larger than the sum of its proper divisors (1).

86318137 is an equidigital number, since it uses as much as digits as its factorization.

86318137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The square root of 86318137 is about 9290.7554590571. The cubic root of 86318137 is about 441.9441126283.

The spelling of 86318137 in words is "eighty-six million, three hundred eighteen thousand, one hundred thirty-seven".