1395727459 has 16 divisors (see below), whose sum is σ = 1615196160. Its totient is φ = 1181315520.

The previous prime is 1395727447. The next prime is 1395727499. The reversal of 1395727459 is 9547275931.

It is not a de Polignac number, because 1395727459 - 2¹¹ = 1395725411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1395727439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915672 + ... + 917194.

It is an arithmetic number, because the mean of its divisors is an integer number (100949760).

Almost surely, 2^1395727459 is an apocalyptic number.

1395727459 is a deficient number, since it is larger than the sum of its proper divisors (219468701).

1395727459 is a wasteful number, since it uses less digits than its factorization.

1395727459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090.

The product of its digits is 2381400, while the sum is 52.

The square root of 1395727459 is about 37359.4360101969. The cubic root of 1395727459 is about 1117.5497718841.

The spelling of 1395727459 in words is "one billion, three hundred ninety-five million, seven hundred twenty-seven thousand, four hundred fifty-nine".