13402234505 has 32 divisors (see below), whose sum is σ = 17670182400. Its totient is φ = 9677651200.

The previous prime is 13402234501. The next prime is 13402234523. The reversal of 13402234505 is 50543220431.

It is a happy number.

It is not a de Polignac number, because 13402234505 - 2² = 13402234501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13402234501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5112095 + ... + 5114715.

It is an arithmetic number, because the mean of its divisors is an integer number (552193200).

Almost surely, 2^13402234505 is an apocalyptic number.

It is an amenable number.

13402234505 is a deficient number, since it is larger than the sum of its proper divisors (4267947895).

13402234505 is a wasteful number, since it uses less digits than its factorization.

13402234505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 13402234505 its reverse (50543220431), we get a palindrome (63945454936).

The spelling of 13402234505 in words is "thirteen billion, four hundred two million, two hundred thirty-four thousand, five hundred five".