1385119730 has 8 divisors (see below), whose sum is σ = 2493215532. Its totient is φ = 554047888.

The previous prime is 1385119669. The next prime is 1385119733. The reversal of 1385119730 is 379115831.

It can be written as a sum of positive squares in 2 ways, for example, as 1385105089 + 14641 = 37217^2 + 121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1385119733) 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, 69255977 + ... + 69255996.

Almost surely, 2^1385119730 is an apocalyptic number.

1385119730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1385119730 is a deficient number, since it is larger than the sum of its proper divisors (1108095802).

1385119730 is a wasteful number, since it uses less digits than its factorization.

1385119730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138511980.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 1385119730 is about 37217.1966972259. The cubic root of 1385119730 is about 1114.7113894371.

The spelling of 1385119730 in words is "one billion, three hundred eighty-five million, one hundred nineteen thousand, seven hundred thirty".