86140111 has 4 divisors (see below), whose sum is σ = 87353424. Its totient is φ = 84926800.

The previous prime is 86140097. The next prime is 86140123. The reversal of 86140111 is 11104168.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86140111 - 2⁵ = 86140079 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86140151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606550 + ... + 606691.

It is an arithmetic number, because the mean of its divisors is an integer number (21838356).

Almost surely, 2^86140111 is an apocalyptic number.

86140111 is a deficient number, since it is larger than the sum of its proper divisors (1213313).

86140111 is a wasteful number, since it uses less digits than its factorization.

86140111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213312.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 86140111 is about 9281.1696999893. The cubic root of 86140111 is about 441.6400757378.

Adding to 86140111 its reverse (11104168), we get a palindrome (97244279).

The spelling of 86140111 in words is "eighty-six million, one hundred forty thousand, one hundred eleven".