1401343105 has 4 divisors (see below), whose sum is σ = 1681611732. Its totient is φ = 1121074480.

The previous prime is 1401343079. The next prime is 1401343109. The reversal of 1401343105 is 5013431041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5013431041 = 2287 ⋅2192143.

It can be written as a sum of positive squares in 2 ways, for example, as 412617969 + 988725136 = 20313^2 + 31444^2 .

It is not a de Polignac number, because 1401343105 - 2²⁵ = 1367788673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401343109) by changing a digit.

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, 140134306 + ... + 140134315.

It is an arithmetic number, because the mean of its divisors is an integer number (420402933).

Almost surely, 2^1401343105 is an apocalyptic number.

It is an amenable number.

1401343105 is a deficient number, since it is larger than the sum of its proper divisors (280268627).

1401343105 is an equidigital number, since it uses as much as digits as its factorization.

1401343105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280268626.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1401343105 is about 37434.5175606685. The cubic root of 1401343105 is about 1119.0465698153.

Adding to 1401343105 its reverse (5013431041), we get a palindrome (6414774146).

The spelling of 1401343105 in words is "one billion, four hundred one million, three hundred forty-three thousand, one hundred five".