1365378052 has 12 divisors (see below), whose sum is σ = 2529965340. Its totient is φ = 642530816.

The previous prime is 1365377977. The next prime is 1365378061. The reversal of 1365378052 is 2508735631.

It can be written as a sum of positive squares in 2 ways, for example, as 1212014596 + 153363456 = 34814^2 + 12384^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1365377996 and 1365378014.

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, 10039477 + ... + 10039612.

It is an arithmetic number, because the mean of its divisors is an integer number (210830445).

Almost surely, 2^1365378052 is an apocalyptic number.

It is an amenable number.

1365378052 is a deficient number, since it is larger than the sum of its proper divisors (1164587288).

1365378052 is a wasteful number, since it uses less digits than its factorization.

1365378052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20079110 (or 20079108 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 1365378052 is about 36951.0223403900. The cubic root of 1365378052 is about 1109.3901506224.

The spelling of 1365378052 in words is "one billion, three hundred sixty-five million, three hundred seventy-eight thousand, fifty-two".