7138400510636 has 6 divisors (see below), whose sum is σ = 12492200893620. Its totient is φ = 3569200255316.

The previous prime is 7138400510609. The next prime is 7138400510669. The reversal of 7138400510636 is 6360150048317.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 892300063826 + ... + 892300063833.

It is an arithmetic number, because the mean of its divisors is an integer number (2082033482270).

Almost surely, 2^{7138400510636} is an apocalyptic number.

It is an amenable number.

7138400510636 is a deficient number, since it is larger than the sum of its proper divisors (5353800382984).

7138400510636 is a wasteful number, since it uses less digits than its factorization.

7138400510636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784600127663 (or 1784600127661 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 7138400510636 in words is "seven trillion, one hundred thirty-eight billion, four hundred million, five hundred ten thousand, six hundred thirty-six".