7138405113446 has 4 divisors (see below), whose sum is σ = 10707607670172. Its totient is φ = 3569202556722.

The previous prime is 7138405113409. The next prime is 7138405113457. The reversal of 7138405113446 is 6443115048317.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7138405113446.

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, 1784601278360 + ... + 1784601278363.

It is an arithmetic number, because the mean of its divisors is an integer number (2676901917543).

Almost surely, 2^{7138405113446} is an apocalyptic number.

7138405113446 is a deficient number, since it is larger than the sum of its proper divisors (3569202556726).

7138405113446 is a wasteful number, since it uses less digits than its factorization.

7138405113446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569202556725.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 7138405113446 in words is "seven trillion, one hundred thirty-eight billion, four hundred five million, one hundred thirteen thousand, four hundred forty-six".