1385168203 has 4 divisors (see below), whose sum is σ = 1392821248. Its totient is φ = 1377515160.

The previous prime is 1385168189. The next prime is 1385168207. The reversal of 1385168203 is 3028615831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3028615831 = 71 ⋅42656561.

It is a cyclic number.

It is not a de Polignac number, because 1385168203 - 2²⁹ = 848297291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1385168207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3826251 + ... + 3826612.

It is an arithmetic number, because the mean of its divisors is an integer number (348205312).

Almost surely, 2^1385168203 is an apocalyptic number.

1385168203 is a deficient number, since it is larger than the sum of its proper divisors (7653045).

1385168203 is an equidigital number, since it uses as much as digits as its factorization.

1385168203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7653044.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1385168203 is about 37217.8479093029. The cubic root of 1385168203 is about 1114.7243925909.

The spelling of 1385168203 in words is "one billion, three hundred eighty-five million, one hundred sixty-eight thousand, two hundred three".