140444101 has 4 divisors (see below), whose sum is σ = 160507552. Its totient is φ = 120380652.

The previous prime is 140444099. The next prime is 140444107. The reversal of 140444101 is 101444041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 140444101 - 2¹ = 140444099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140444107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10031715 + ... + 10031728.

It is an arithmetic number, because the mean of its divisors is an integer number (40126888).

Almost surely, 2^140444101 is an apocalyptic number.

It is an amenable number.

140444101 is a deficient number, since it is larger than the sum of its proper divisors (20063451).

140444101 is an equidigital number, since it uses as much as digits as its factorization.

140444101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20063450.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 140444101 is about 11850.9113995507. The cubic root of 140444101 is about 519.7978763265.

Adding to 140444101 its reverse (101444041), we get a palindrome (241888142).

It can be divided in two parts, 14044 and 4101, that added together give a triangular number (18145 = T₁₉₀).

The spelling of 140444101 in words is "one hundred forty million, four hundred forty-four thousand, one hundred one".