314388446138 has 16 divisors (see below), whose sum is σ = 507867501960. Its totient is φ = 145099718976.

The previous prime is 314388446083. The next prime is 314388446143. The reversal of 314388446138 is 831644883413.

It can be written as a sum of positive squares in 4 ways, for example, as 314309360689 + 79085449 = 560633^2 + 8893^2 .

It is a super-4 number, since 4×314388446138⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 314388446138.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2701856 + ... + 2815812.

Almost surely, 2^314388446138 is an apocalyptic number.

314388446138 is a deficient number, since it is larger than the sum of its proper divisors (193479055822).

314388446138 is a wasteful number, since it uses less digits than its factorization.

314388446138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220081.

The product of its digits is 5308416, while the sum is 53.

The spelling of 314388446138 in words is "three hundred fourteen billion, three hundred eighty-eight million, four hundred forty-six thousand, one hundred thirty-eight".