140803055 has 4 divisors (see below), whose sum is σ = 168963672. Its totient is φ = 112642440.

The previous prime is 140803037. The next prime is 140803081. The reversal of 140803055 is 550308041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550308041 = 193 ⋅2851337.

It is a de Polignac number, because none of the positive numbers 2^k-140803055 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14080301 + ... + 14080310.

It is an arithmetic number, because the mean of its divisors is an integer number (42240918).

Almost surely, 2^140803055 is an apocalyptic number.

140803055 is a deficient number, since it is larger than the sum of its proper divisors (28160617).

140803055 is an equidigital number, since it uses as much as digits as its factorization.

140803055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28160616.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 140803055 is about 11866.0463086910. The cubic root of 140803055 is about 520.2403413145.

The spelling of 140803055 in words is "one hundred forty million, eight hundred three thousand, fifty-five".