140441401 has 2 divisors, whose sum is σ = 140441402. Its totient is φ = 140441400.

The previous prime is 140441393. The next prime is 140441453. The reversal of 140441401 is 104144041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111281401 + 29160000 = 10549^2 + 5400^2 .

It is a cyclic number.

It is not a de Polignac number, because 140441401 - 2³ = 140441393 is a prime.

It is a super-2 number, since 2×140441401² = 39447574229685602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140441491) by changing a digit.

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 as a sum of consecutive naturals, namely, 70220700 + 70220701.

It is an arithmetic number, because the mean of its divisors is an integer number (70220701).

Almost surely, 2^140441401 is an apocalyptic number.

It is an amenable number.

140441401 is a deficient number, since it is larger than the sum of its proper divisors (1).

140441401 is an equidigital number, since it uses as much as digits as its factorization.

140441401 is an odious number, because the sum of its binary digits is odd.

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

The square root of 140441401 is about 11850.7974837139. The cubic root of 140441401 is about 519.7945453138.

Adding to 140441401 its reverse (104144041), we get a palindrome (244585442).

The spelling of 140441401 in words is "one hundred forty million, four hundred forty-one thousand, four hundred one".