1494381705 has 16 divisors (see below), whose sum is σ = 2396866560. Its totient is φ = 795051648.

The previous prime is 1494381703. The next prime is 1494381727. The reversal of 1494381705 is 5071834941.

It is a happy number.

It is not a de Polignac number, because 1494381705 - 2¹ = 1494381703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1494381701) 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 15 ways as a sum of consecutive naturals, for example, 115657 + ... + 127926.

It is an arithmetic number, because the mean of its divisors is an integer number (149804160).

Almost surely, 2^1494381705 is an apocalyptic number.

1494381705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1494381705 is a deficient number, since it is larger than the sum of its proper divisors (902484855).

1494381705 is a wasteful number, since it uses less digits than its factorization.

1494381705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244000.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1494381705 is about 38657.2335404385. The cubic root of 1494381705 is about 1143.2832672976.

The spelling of 1494381705 in words is "one billion, four hundred ninety-four million, three hundred eighty-one thousand, seven hundred five".