13133411642 has 16 divisors (see below), whose sum is σ = 22463483112. Its totient is φ = 5705011200.

The previous prime is 13133411639. The next prime is 13133411651. The reversal of 13133411642 is 24611433131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6536560801 + 6596850841 = 80849^2 + 81221^2 .

It is a super-2 number, since 2×13133411642² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14856359 + ... + 14857242.

Almost surely, 2^13133411642 is an apocalyptic number.

13133411642 is a deficient number, since it is larger than the sum of its proper divisors (9330071470).

13133411642 is a wasteful number, since it uses less digits than its factorization.

13133411642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29713633.

The product of its digits is 5184, while the sum is 29.

Adding to 13133411642 its reverse (24611433131), we get a palindrome (37744844773).

The spelling of 13133411642 in words is "thirteen billion, one hundred thirty-three million, four hundred eleven thousand, six hundred forty-two".