281713994 has 16 divisors (see below), whose sum is σ = 425956488. Its totient is φ = 139732992.

The previous prime is 281713981. The next prime is 281713997. The reversal of 281713994 is 499317182.

It can be written as a sum of positive squares in 4 ways, for example, as 220671025 + 61042969 = 14855^2 + 7813^2 .

It is not an unprimeable number, because it can be changed into a prime (281713997) 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, 175604 + ... + 177200.

Almost surely, 2^281713994 is an apocalyptic number.

281713994 is a deficient number, since it is larger than the sum of its proper divisors (144242494).

281713994 is a wasteful number, since it uses less digits than its factorization.

281713994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249.

The product of its digits is 108864, while the sum is 44.

The square root of 281713994 is about 16784.3377587559. The cubic root of 281713994 is about 655.5454493489.

The spelling of 281713994 in words is "two hundred eighty-one million, seven hundred thirteen thousand, nine hundred ninety-four".