1385745268 has 6 divisors (see below), whose sum is σ = 2425054226. Its totient is φ = 692872632.

The previous prime is 1385745223. The next prime is 1385745281. The reversal of 1385745268 is 8625475831.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1314207504 + 71537764 = 36252^2 + 8458^2 .

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, 173218155 + ... + 173218162.

Almost surely, 2^1385745268 is an apocalyptic number.

It is an amenable number.

1385745268 is a deficient number, since it is larger than the sum of its proper divisors (1039308958).

1385745268 is a wasteful number, since it uses less digits than its factorization.

1385745268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346436321 (or 346436319 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 49.

The square root of 1385745268 is about 37225.5996325110. The cubic root of 1385745268 is about 1114.8791702133.

The spelling of 1385745268 in words is "one billion, three hundred eighty-five million, seven hundred forty-five thousand, two hundred sixty-eight".