7805251214138 has 8 divisors (see below), whose sum is σ = 13380430652832. Its totient is φ = 3345107663196.

The previous prime is 7805251214087. The next prime is 7805251214209. The reversal of 7805251214138 is 8314121525087.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7805251214092 and 7805251214101.

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, 278758971920 + ... + 278758971947.

It is an arithmetic number, because the mean of its divisors is an integer number (1672553831604).

Almost surely, 2^{7805251214138} is an apocalyptic number.

7805251214138 is a deficient number, since it is larger than the sum of its proper divisors (5575179438694).

7805251214138 is a wasteful number, since it uses less digits than its factorization.

7805251214138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557517943876.

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 7805251214138 in words is "seven trillion, eight hundred five billion, two hundred fifty-one million, two hundred fourteen thousand, one hundred thirty-eight".