1394481036 has 48 divisors (see below), whose sum is σ = 3536271200. Its totient is φ = 425129472.

The previous prime is 1394481019. The next prime is 1394481047. The reversal of 1394481036 is 6301844931.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 1394480985 and 1394481003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24001 + ... + 58008.

Almost surely, 2^1394481036 is an apocalyptic number.

It is an amenable number.

1394481036 is an abundant number, since it is smaller than the sum of its proper divisors (2141790164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1394481036 is a wasteful number, since it uses less digits than its factorization.

1394481036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82138 (or 82136 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1394481036 is about 37342.7507824477. The cubic root of 1394481036 is about 1117.2170052491.

The spelling of 1394481036 in words is "one billion, three hundred ninety-four million, four hundred eighty-one thousand, thirty-six".