1385314636 has 24 divisors (see below), whose sum is σ = 2510558064. Its totient is φ = 668441280.

The previous prime is 1385314621. The next prime is 1385314657. The reversal of 1385314636 is 6364135831.

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 7 ways as a sum of consecutive naturals, for example, 40630 + ... + 66493.

It is an arithmetic number, because the mean of its divisors is an integer number (104606586).

Almost surely, 2^1385314636 is an apocalyptic number.

It is an amenable number.

1385314636 is a deficient number, since it is larger than the sum of its proper divisors (1125243428).

1385314636 is a wasteful number, since it uses less digits than its factorization.

1385314636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107241 (or 107239 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 1385314636 is about 37219.8150989496. The cubic root of 1385314636 is about 1114.7636722214.

The spelling of 1385314636 in words is "one billion, three hundred eighty-five million, three hundred fourteen thousand, six hundred thirty-six".