7138631535816 has 64 divisors (see below), whose sum is σ = 19715438131200. Its totient is φ = 2135839118400.

The previous prime is 7138631535793. The next prime is 7138631535821. The reversal of 7138631535816 is 6185351368317.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171120100 + ... + 171161811.

It is an arithmetic number, because the mean of its divisors is an integer number (308053720800).

Almost surely, 2^{7138631535816} is an apocalyptic number.

It is an amenable number.

7138631535816 is an abundant number, since it is smaller than the sum of its proper divisors (12576806595384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7138631535816 is a wasteful number, since it uses less digits than its factorization.

7138631535816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342282010 (or 342282006 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 57.

The spelling of 7138631535816 in words is "seven trillion, one hundred thirty-eight billion, six hundred thirty-one million, five hundred thirty-five thousand, eight hundred sixteen".