1385418275 has 12 divisors (see below), whose sum is σ = 1746083184. Its totient is φ = 1090164000.

The previous prime is 1385418263. The next prime is 1385418277. The reversal of 1385418275 is 5728145831.

It is not a de Polignac number, because 1385418275 - 2⁴ = 1385418259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1385418277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 452711 + ... + 455760.

It is an arithmetic number, because the mean of its divisors is an integer number (145506932).

Almost surely, 2^1385418275 is an apocalyptic number.

1385418275 is a deficient number, since it is larger than the sum of its proper divisors (360664909).

1385418275 is an equidigital number, since it uses as much as digits as its factorization.

1385418275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908542 (or 908537 counting only the distinct ones).

The product of its digits is 268800, while the sum is 44.

The square root of 1385418275 is about 37221.2073286185. The cubic root of 1385418275 is about 1114.7914709871.

The spelling of 1385418275 in words is "one billion, three hundred eighty-five million, four hundred eighteen thousand, two hundred seventy-five".