140068055 has 4 divisors (see below), whose sum is σ = 168081672. Its totient is φ = 112054440.

The previous prime is 140068043. The next prime is 140068063. The reversal of 140068055 is 550860041.

It is a happy number.

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

It is not a de Polignac number, because 140068055 - 2⁴ = 140068039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 14006801 + ... + 14006810.

It is an arithmetic number, because the mean of its divisors is an integer number (42020418).

Almost surely, 2^140068055 is an apocalyptic number.

140068055 is a deficient number, since it is larger than the sum of its proper divisors (28013617).

140068055 is an equidigital number, since it uses as much as digits as its factorization.

140068055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28013616.

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

The square root of 140068055 is about 11835.0350654318. The cubic root of 140068055 is about 519.3335335047. Note that the first 3 decimals are identical.

The spelling of 140068055 in words is "one hundred forty million, sixty-eight thousand, fifty-five".