140401105 has 8 divisors (see below), whose sum is σ = 181441512. Its totient is φ = 103680768.

The previous prime is 140401087. The next prime is 140401123. The reversal of 140401105 is 501104041.

140401105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140401087) and next prime (140401123).

It can be written as a sum of positive squares in 4 ways, for example, as 2304 + 140398801 = 48^2 + 11849^2 .

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 140401105 - 2⁵ = 140401073 is a prime.

It is a Duffinian 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, 1079944 + ... + 1080073.

It is an arithmetic number, because the mean of its divisors is an integer number (22680189).

Almost surely, 2^140401105 is an apocalyptic number.

It is an amenable number.

140401105 is a deficient number, since it is larger than the sum of its proper divisors (41040407).

140401105 is a wasteful number, since it uses less digits than its factorization.

140401105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160035.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 140401105 is about 11849.0972229955. The cubic root of 140401105 is about 519.7448267255.

Adding to 140401105 its reverse (501104041), we get a palindrome (641505146).

The spelling of 140401105 in words is "one hundred forty million, four hundred one thousand, one hundred five".