86140055 has 8 divisors (see below), whose sum is σ = 103446672. Its totient is φ = 68859648.

The previous prime is 86140039. The next prime is 86140069. The reversal of 86140055 is 55004168.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 86140055 - 2⁴ = 86140039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1607 + ... + 13223.

It is an arithmetic number, because the mean of its divisors is an integer number (12930834).

Almost surely, 2^86140055 is an apocalyptic number.

86140055 is a deficient number, since it is larger than the sum of its proper divisors (17306617).

86140055 is a wasteful number, since it uses less digits than its factorization.

86140055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13105.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 86140055 is about 9281.1666831277. The cubic root of 86140055 is about 441.6399800339.

The spelling of 86140055 in words is "eighty-six million, one hundred forty thousand, fifty-five".