1385214736 has 20 divisors (see below), whose sum is σ = 2684538000. Its totient is φ = 692430752.

The previous prime is 1385214679. The next prime is 1385214737. The reversal of 1385214736 is 6374125831.

It is not an unprimeable number, because it can be changed into a prime (1385214737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73095 + ... + 90073.

It is an arithmetic number, because the mean of its divisors is an integer number (134226900).

Almost surely, 2^1385214736 is an apocalyptic number.

1385214736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1385214736 is a deficient number, since it is larger than the sum of its proper divisors (1299323264).

1385214736 is a wasteful number, since it uses less digits than its factorization.

1385214736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22086 (or 22080 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 1385214736 is about 37218.4730476681. The cubic root of 1385214736 is about 1114.7368750435.

The spelling of 1385214736 in words is "one billion, three hundred eighty-five million, two hundred fourteen thousand, seven hundred thirty-six".