1378452316 has 24 divisors (see below), whose sum is σ = 2480049936. Its totient is φ = 669905280.

The previous prime is 1378452301. The next prime is 1378452359. The reversal of 1378452316 is 6132548731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157200 + ... + 165736.

It is an arithmetic number, because the mean of its divisors is an integer number (103335414).

Almost surely, 2^1378452316 is an apocalyptic number.

It is an amenable number.

1378452316 is a deficient number, since it is larger than the sum of its proper divisors (1101597620).

1378452316 is a wasteful number, since it uses less digits than its factorization.

1378452316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9669 (or 9667 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 1378452316 is about 37127.5142717635. The cubic root of 1378452316 is about 1112.9199198527.

The spelling of 1378452316 in words is "one billion, three hundred seventy-eight million, four hundred fifty-two thousand, three hundred sixteen".