1385094052 has 12 divisors (see below), whose sum is σ = 2437926876. Its totient is φ = 688543520.

The previous prime is 1385094031. The next prime is 1385094077. The reversal of 1385094052 is 2504905831.

It can be written as a sum of positive squares in 2 ways, for example, as 1286369956 + 98724096 = 35866^2 + 9936^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000099 + ... + 1001482.

It is an arithmetic number, because the mean of its divisors is an integer number (203160573).

Almost surely, 2^1385094052 is an apocalyptic number.

It is an amenable number.

1385094052 is a deficient number, since it is larger than the sum of its proper divisors (1052832824).

1385094052 is a wasteful number, since it uses less digits than its factorization.

1385094052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001758 (or 2001756 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 1385094052 is about 37216.8517206923. The cubic root of 1385094052 is about 1114.7045010468.

Adding to 1385094052 its reverse (2504905831), we get a palindrome (3889999883).

The spelling of 1385094052 in words is "one billion, three hundred eighty-five million, ninety-four thousand, fifty-two".