7138121514028 has 12 divisors (see below), whose sum is σ = 12649835595040. Its totient is φ = 3523882772592.

The previous prime is 7138121513987. The next prime is 7138121514031. The reversal of 7138121514028 is 8204151218317.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11294495751 + ... + 11294496382.

Almost surely, 2^{7138121514028} is an apocalyptic number.

It is an amenable number.

7138121514028 is a deficient number, since it is larger than the sum of its proper divisors (5511714081012).

7138121514028 is a wasteful number, since it uses less digits than its factorization.

7138121514028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22588992216 (or 22588992214 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 43.

The spelling of 7138121514028 in words is "seven trillion, one hundred thirty-eight billion, one hundred twenty-one million, five hundred fourteen thousand, twenty-eight".