403400140113401 has 4 divisors (see below), whose sum is σ = 403401515936100. Its totient is φ = 403398764290704.

The previous prime is 403400140113391. The next prime is 403400140113437. The reversal of 403400140113401 is 104311041004304.

It is a happy number.

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 218307244250176 + 185092895863225 = 14775224^2 + 13604885^2 .

It is a cyclic number.

It is not a de Polignac number, because 403400140113401 - 2¹⁰ = 403400140112377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403400140113491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687471446 + ... + 688057983.

It is an arithmetic number, because the mean of its divisors is an integer number (100850378984025).

Almost surely, 2^{403400140113401} is an apocalyptic number.

It is an amenable number.

403400140113401 is a deficient number, since it is larger than the sum of its proper divisors (1375822699).

403400140113401 is a wasteful number, since it uses less digits than its factorization.

403400140113401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375822698.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 403400140113401 its reverse (104311041004304), we get a palindrome (507711181117705).

The spelling of 403400140113401 in words is "four hundred three trillion, four hundred billion, one hundred forty million, one hundred thirteen thousand, four hundred one".