7316446138 has 8 divisors (see below), whose sum is σ = 10976934132. Its totient is φ = 3657468096.

The previous prime is 7316446129. The next prime is 7316446141. The reversal of 7316446138 is 8316446137.

It can be written as a sum of positive squares in 2 ways, for example, as 7315894089 + 552049 = 85533^2 + 743^2 .

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 = 7316446094 and 7316446103.

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, 365295 + ... + 384802.

Almost surely, 2^7316446138 is an apocalyptic number.

7316446138 is a deficient number, since it is larger than the sum of its proper divisors (3660487994).

7316446138 is a wasteful number, since it uses less digits than its factorization.

7316446138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754976.

The product of its digits is 290304, while the sum is 43.

The square root of 7316446138 is about 85536.2270502972. The cubic root of 7316446138 is about 1941.3331023974. Note that the first 3 decimals are identical.

Subtracting 7316446138 from its reverse (8316446137), we obtain a palindrome (999999999).

The spelling of 7316446138 in words is "seven billion, three hundred sixteen million, four hundred forty-six thousand, one hundred thirty-eight".