802313140 has 36 divisors (see below), whose sum is σ = 1761320484. Its totient is φ = 306967936.

The previous prime is 802313123. The next prime is 802313173. The reversal of 802313140 is 41313208.

It can be written as a sum of positive squares in 2 ways, for example, as 531118116 + 271195024 = 23046^2 + 16468^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27337 + ... + 48496.

It is an arithmetic number, because the mean of its divisors is an integer number (48925569).

Almost surely, 2^802313140 is an apocalyptic number.

It is an amenable number.

802313140 is an abundant number, since it is smaller than the sum of its proper divisors (959007344).

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

802313140 is a wasteful number, since it uses less digits than its factorization.

802313140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75888 (or 75863 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 802313140 is about 28325.1326563531. The cubic root of 802313140 is about 929.2116261657.

Adding to 802313140 its reverse (41313208), we get a palindrome (843626348).

The spelling of 802313140 in words is "eight hundred two million, three hundred thirteen thousand, one hundred forty".