1385004645434 has 8 divisors (see below), whose sum is σ = 2077759700148. Its totient is φ = 692418078720.

The previous prime is 1385004645389. The next prime is 1385004645439. The reversal of 1385004645434 is 4345464005831.

It can be written as a sum of positive squares in 2 ways, for example, as 1127412869209 + 257591776225 = 1061797^2 + 507535^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1385004645439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42101447 + ... + 42134330.

Almost surely, 2^{1385004645434} is an apocalyptic number.

1385004645434 is a deficient number, since it is larger than the sum of its proper divisors (692755054714).

1385004645434 is an equidigital number, since it uses as much as digits as its factorization.

1385004645434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84244000.

The product of its (nonzero) digits is 2764800, while the sum is 47.

The spelling of 1385004645434 in words is "one trillion, three hundred eighty-five billion, four million, six hundred forty-five thousand, four hundred thirty-four".