1382789547 has 6 divisors (see below), whose sum is σ = 1997362692. Its totient is φ = 921859692.

The previous prime is 1382789449. The next prime is 1382789561. The reversal of 1382789547 is 7459872831.

It is a happy number.

1382789547 is a `hidden beast` number, since 13 + 8 + 2 + 7 + 89 + 547 = 666.

It is not a de Polignac number, because 1382789547 - 2¹² = 1382785451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1382789493 and 1382789502.

It is not an unprimeable number, because it can be changed into a prime (1382787547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76821633 + ... + 76821650.

It is an arithmetic number, because the mean of its divisors is an integer number (332893782).

Almost surely, 2^1382789547 is an apocalyptic number.

1382789547 is a deficient number, since it is larger than the sum of its proper divisors (614573145).

1382789547 is a wasteful number, since it uses less digits than its factorization.

1382789547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153643289 (or 153643286 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 1382789547 is about 37185.8783276663. The cubic root of 1382789547 is about 1114.0859466409.

The spelling of 1382789547 in words is "one billion, three hundred eighty-two million, seven hundred eighty-nine thousand, five hundred forty-seven".