1395475568 has 20 divisors (see below), whose sum is σ = 2706383328. Its totient is φ = 697054080.

The previous prime is 1395475553. The next prime is 1395475607. The reversal of 1395475568 is 8655745931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25688 + ... + 58743.

Almost surely, 2^1395475568 is an apocalyptic number.

It is an amenable number.

1395475568 is a deficient number, since it is larger than the sum of its proper divisors (1310907760).

1395475568 is a wasteful number, since it uses less digits than its factorization.

1395475568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85472 (or 85466 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 53.

The square root of 1395475568 is about 37356.0646749628. The cubic root of 1395475568 is about 1117.4825386852.

The spelling of 1395475568 in words is "one billion, three hundred ninety-five million, four hundred seventy-five thousand, five hundred sixty-eight".