13656433142 has 16 divisors (see below), whose sum is σ = 22366347264. Its totient is φ = 6202065000.

The previous prime is 13656433139. The next prime is 13656433151. The reversal of 13656433142 is 24133465631.

It is a junction number, because it is equal to n+sod(n) for n = 13656433096 and 13656433105.

It is a congruent number.

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, 244334 + ... + 294977.

It is an arithmetic number, because the mean of its divisors is an integer number (1397896704).

Almost surely, 2^13656433142 is an apocalyptic number.

13656433142 is a deficient number, since it is larger than the sum of its proper divisors (8709914122).

13656433142 is a wasteful number, since it uses less digits than its factorization.

13656433142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540475.

The product of its digits is 155520, while the sum is 38.

Adding to 13656433142 its reverse (24133465631), we get a palindrome (37789898773).

The spelling of 13656433142 in words is "thirteen billion, six hundred fifty-six million, four hundred thirty-three thousand, one hundred forty-two".