140983105 has 4 divisors (see below), whose sum is σ = 169179732. Its totient is φ = 112786480.

The previous prime is 140983099. The next prime is 140983151. The reversal of 140983105 is 501389041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 102394161 + 38588944 = 10119^2 + 6212^2 .

It is not a de Polignac number, because 140983105 - 2¹³ = 140974913 is a prime.

It is a Duffinian 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, 14098306 + ... + 14098315.

It is an arithmetic number, because the mean of its divisors is an integer number (42294933).

Almost surely, 2^140983105 is an apocalyptic number.

It is an amenable number.

140983105 is a deficient number, since it is larger than the sum of its proper divisors (28196627).

140983105 is an equidigital number, since it uses as much as digits as its factorization.

140983105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28196626.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 140983105 is about 11873.6306578906. The cubic root of 140983105 is about 520.4619969590.

The spelling of 140983105 in words is "one hundred forty million, nine hundred eighty-three thousand, one hundred five".