7138404431072 has 12 divisors (see below), whose sum is σ = 14053733723736. Its totient is φ = 3569202215520.

The previous prime is 7138404431063. The next prime is 7138404431161. The reversal of 7138404431072 is 2701344048317.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111537569204 + ... + 111537569267.

It is an arithmetic number, because the mean of its divisors is an integer number (1171144476978).

Almost surely, 2^{7138404431072} is an apocalyptic number.

It is an amenable number.

7138404431072 is a deficient number, since it is larger than the sum of its proper divisors (6915329292664).

7138404431072 is a wasteful number, since it uses less digits than its factorization.

7138404431072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223075138481 (or 223075138473 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

Adding to 7138404431072 its reverse (2701344048317), we get a palindrome (9839748479389).

The spelling of 7138404431072 in words is "seven trillion, one hundred thirty-eight billion, four hundred four million, four hundred thirty-one thousand, seventy-two".