13142121366644 has 24 divisors (see below), whose sum is σ = 23740842913536. Its totient is φ = 6359027616000.

The previous prime is 13142121366643. The next prime is 13142121366659. The reversal of 13142121366644 is 44666312124131.

It is a junction number, because it is equal to n+sod(n) for n = 13142121366595 and 13142121366604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142121366643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13452164 + ... + 14396004.

It is an arithmetic number, because the mean of its divisors is an integer number (989201788064).

Almost surely, 2^{13142121366644} is an apocalyptic number.

It is an amenable number.

13142121366644 is a deficient number, since it is larger than the sum of its proper divisors (10598721546892).

13142121366644 is a wasteful number, since it uses less digits than its factorization.

13142121366644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056167 (or 1056165 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The spelling of 13142121366644 in words is "thirteen trillion, one hundred forty-two billion, one hundred twenty-one million, three hundred sixty-six thousand, six hundred forty-four".