1383811078 has 16 divisors (see below), whose sum is σ = 2353039920. Its totient is φ = 605066976.

The previous prime is 1383811073. The next prime is 1383811151. The reversal of 1383811078 is 8701183831.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1383811078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383811073) by changing a digit.

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, 1400125 + ... + 1401112.

It is an arithmetic number, because the mean of its divisors is an integer number (147064995).

Almost surely, 2^1383811078 is an apocalyptic number.

1383811078 is a deficient number, since it is larger than the sum of its proper divisors (969228842).

1383811078 is a wasteful number, since it uses less digits than its factorization.

1383811078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801271.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 1383811078 is about 37199.6112614097. The cubic root of 1383811078 is about 1114.3602214933.

The spelling of 1383811078 in words is "one billion, three hundred eighty-three million, eight hundred eleven thousand, seventy-eight".