13540035401 has 4 divisors (see below), whose sum is σ = 13725515412. Its totient is φ = 13354555392.

The previous prime is 13540035361. The next prime is 13540035437. The reversal of 13540035401 is 10453004531.

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 10720531600 + 2819503801 = 103540^2 + 53099^2 .

It is a cyclic number.

It is not a de Polignac number, because 13540035401 - 2¹⁰ = 13540034377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13540035461) 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, 92739896 + ... + 92740041.

It is an arithmetic number, because the mean of its divisors is an integer number (3431378853).

Almost surely, 2^13540035401 is an apocalyptic number.

It is an amenable number.

13540035401 is a deficient number, since it is larger than the sum of its proper divisors (185480011).

13540035401 is an equidigital number, since it uses as much as digits as its factorization.

13540035401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185480010.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 13540035401 its reverse (10453004531), we get a palindrome (23993039932).

The spelling of 13540035401 in words is "thirteen billion, five hundred forty million, thirty-five thousand, four hundred one".