1395889475 has 12 divisors (see below), whose sum is σ = 1747711056. Its totient is φ = 1105867680.

The previous prime is 1395889459. The next prime is 1395889493. The reversal of 1395889475 is 5749885931.

It is not a de Polignac number, because 1395889475 - 2⁴ = 1395889459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268472 + ... + 273621.

It is an arithmetic number, because the mean of its divisors is an integer number (145642588).

Almost surely, 2^1395889475 is an apocalyptic number.

1395889475 is a deficient number, since it is larger than the sum of its proper divisors (351821581).

1395889475 is a wasteful number, since it uses less digits than its factorization.

1395889475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542206 (or 542201 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 59.

The square root of 1395889475 is about 37361.6042883600. The cubic root of 1395889475 is about 1117.5930119253.

The spelling of 1395889475 in words is "one billion, three hundred ninety-five million, eight hundred eighty-nine thousand, four hundred seventy-five".