1385282547 has 32 divisors (see below), whose sum is σ = 2246280960. Its totient is φ = 836775360.

The previous prime is 1385282513. The next prime is 1385282551. The reversal of 1385282547 is 7452825831.

1385282547 is a `hidden beast` number, since 1 + 3 + 85 + 28 + 2 + 547 = 666.

It is not a de Polignac number, because 1385282547 - 2⁸ = 1385282291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1385282557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83583 + ... + 98775.

It is an arithmetic number, because the mean of its divisors is an integer number (70196280).

Almost surely, 2^1385282547 is an apocalyptic number.

1385282547 is a deficient number, since it is larger than the sum of its proper divisors (860998413).

1385282547 is a wasteful number, since it uses less digits than its factorization.

1385282547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15520 (or 15514 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 1385282547 is about 37219.3840223075. The cubic root of 1385282547 is about 1114.7550648079.

The spelling of 1385282547 in words is "one billion, three hundred eighty-five million, two hundred eighty-two thousand, five hundred forty-seven".