1385865268 has 6 divisors (see below), whose sum is σ = 2425264226. Its totient is φ = 692932632.

The previous prime is 1385865227. The next prime is 1385865277. The reversal of 1385865268 is 8625685831.

It can be written as a sum of positive squares in only one way, i.e., 1048334884 + 337530384 = 32378^2 + 18372^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173233155 + ... + 173233162.

Almost surely, 2^1385865268 is an apocalyptic number.

It is an amenable number.

1385865268 is a deficient number, since it is larger than the sum of its proper divisors (1039398958).

1385865268 is a wasteful number, since it uses less digits than its factorization.

1385865268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346466321 (or 346466319 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 52.

The square root of 1385865268 is about 37227.2113916689. The cubic root of 1385865268 is about 1114.9113506440.

The spelling of 1385865268 in words is "one billion, three hundred eighty-five million, eight hundred sixty-five thousand, two hundred sixty-eight".