13440137334742 has 4 divisors (see below), whose sum is σ = 20160206002116. Its totient is φ = 6720068667370.

The previous prime is 13440137334731. The next prime is 13440137334803. The reversal of 13440137334742 is 24743373104431.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 13440137334692 and 13440137334701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3360034333684 + ... + 3360034333687.

It is an arithmetic number, because the mean of its divisors is an integer number (5040051500529).

Almost surely, 2^{13440137334742} is an apocalyptic number.

13440137334742 is a deficient number, since it is larger than the sum of its proper divisors (6720068667374).

13440137334742 is an equidigital number, since it uses as much as digits as its factorization.

13440137334742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6720068667373.

The product of its (nonzero) digits is 2032128, while the sum is 46.

The spelling of 13440137334742 in words is "thirteen trillion, four hundred forty billion, one hundred thirty-seven million, three hundred thirty-four thousand, seven hundred forty-two".