13401407504 has 10 divisors (see below), whose sum is σ = 25965227070. Its totient is φ = 6700703744.

The previous prime is 13401407497. The next prime is 13401407521. The reversal of 13401407504 is 40570410431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8400089104 + 5001318400 = 91652^2 + 70720^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418793969 + ... + 418794000.

It is an arithmetic number, because the mean of its divisors is an integer number (2596522707).

Almost surely, 2^13401407504 is an apocalyptic number.

It is an amenable number.

13401407504 is a deficient number, since it is larger than the sum of its proper divisors (12563819566).

13401407504 is an equidigital number, since it uses as much as digits as its factorization.

13401407504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837587977 (or 837587971 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 13401407504 its reverse (40570410431), we get a palindrome (53971817935).

The spelling of 13401407504 in words is "thirteen billion, four hundred one million, four hundred seven thousand, five hundred four".