1394982144 has 108 divisors (see below), whose sum is σ = 4152034432. Its totient is φ = 449971200.

The previous prime is 1394982119. The next prime is 1394982151. The reversal of 1394982144 is 4412894931.

1394982144 is a `hidden beast` number, since 13 + 9 + 498 + 2 + 144 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1394982144.

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 11 ways as a sum of consecutive naturals, for example, 61659 + ... + 81189.

Almost surely, 2^1394982144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1394982144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2076017216).

1394982144 is an abundant number, since it is smaller than the sum of its proper divisors (2757052288).

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

1394982144 is a wasteful number, since it uses less digits than its factorization.

1394982144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19584 (or 19567 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 1394982144 is about 37349.4597551290. The cubic root of 1394982144 is about 1117.3508135304.

The spelling of 1394982144 in words is "one billion, three hundred ninety-four million, nine hundred eighty-two thousand, one hundred forty-four".