1385189043 has 16 divisors (see below), whose sum is σ = 2131666176. Its totient is φ = 783698400.

The previous prime is 1385189041. The next prime is 1385189107. The reversal of 1385189043 is 3409815831.

It is not a de Polignac number, because 1385189043 - 2¹ = 1385189041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1385188986 and 1385189004.

It is not an unprimeable number, because it can be changed into a prime (1385189041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324421 + ... + 328662.

It is an arithmetic number, because the mean of its divisors is an integer number (133229136).

Almost surely, 2^1385189043 is an apocalyptic number.

1385189043 is a deficient number, since it is larger than the sum of its proper divisors (746477133).

1385189043 is a wasteful number, since it uses less digits than its factorization.

1385189043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653194.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1385189043 is about 37218.1278814505. The cubic root of 1385189043 is about 1114.7299829445.

The spelling of 1385189043 in words is "one billion, three hundred eighty-five million, one hundred eighty-nine thousand, forty-three".