1385271475 has 24 divisors (see below), whose sum is σ = 2066455040. Its totient is φ = 899903520.

The previous prime is 1385271463. The next prime is 1385271491. The reversal of 1385271475 is 5741725831.

It is not a de Polignac number, because 1385271475 - 2²³ = 1376882867 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 204987 + ... + 211636.

Almost surely, 2^1385271475 is an apocalyptic number.

1385271475 is a deficient number, since it is larger than the sum of its proper divisors (681183565).

1385271475 is a wasteful number, since it uses less digits than its factorization.

1385271475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416659 (or 416654 counting only the distinct ones).

The product of its digits is 235200, while the sum is 43.

The square root of 1385271475 is about 37219.2352823107. The cubic root of 1385271475 is about 1114.7520948720.

The spelling of 1385271475 in words is "one billion, three hundred eighty-five million, two hundred seventy-one thousand, four hundred seventy-five".