1375395818 has 8 divisors (see below), whose sum is σ = 2134234980. Its totient is φ = 663984160.

The previous prime is 1375395797. The next prime is 1375395823. The reversal of 1375395818 is 8185935731.

It can be written as a sum of positive squares in 2 ways, for example, as 1207771009 + 167624809 = 34753^2 + 12947^2 .

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

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, 11856803 + ... + 11856918.

Almost surely, 2^1375395818 is an apocalyptic number.

1375395818 is a deficient number, since it is larger than the sum of its proper divisors (758839162).

1375395818 is a wasteful number, since it uses less digits than its factorization.

1375395818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23713752.

The product of its digits is 907200, while the sum is 50.

The square root of 1375395818 is about 37086.3292602544. The cubic root of 1375395818 is about 1112.0967370296.

The spelling of 1375395818 in words is "one billion, three hundred seventy-five million, three hundred ninety-five thousand, eight hundred eighteen".