7138142720008 has 8 divisors (see below), whose sum is σ = 13384017600030. Its totient is φ = 3569071360000.

The previous prime is 7138142719993. The next prime is 7138142720011. The reversal of 7138142720008 is 8000272418317.

It can be written as a sum of positive squares in only one way, i.e., 5888571983044 + 1249570736964 = 2426638^2 + 1117842^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 446133919993 + ... + 446133920008.

Almost surely, 2^{7138142720008} is an apocalyptic number.

It is an amenable number.

7138142720008 is a deficient number, since it is larger than the sum of its proper divisors (6245874880022).

7138142720008 is a wasteful number, since it uses less digits than its factorization.

7138142720008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892267840007 (or 892267840003 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 7138142720008 in words is "seven trillion, one hundred thirty-eight billion, one hundred forty-two million, seven hundred twenty thousand, eight".