1395728206 has 8 divisors (see below), whose sum is σ = 2095955280. Its totient is φ = 697077334.

The previous prime is 1395728179. The next prime is 1395728227. The reversal of 1395728206 is 6028275931.

It is a congruent number.

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, 1573095 + ... + 1573981.

It is an arithmetic number, because the mean of its divisors is an integer number (261994410).

Almost surely, 2^1395728206 is an apocalyptic number.

1395728206 is a deficient number, since it is larger than the sum of its proper divisors (700227074).

1395728206 is an frugal number, since it uses more digits than its factorization.

1395728206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1395728206 is about 37359.4460076699. The cubic root of 1395728206 is about 1117.5499712568.

The spelling of 1395728206 in words is "one billion, three hundred ninety-five million, seven hundred twenty-eight thousand, two hundred six".