1313599802 has 16 divisors (see below), whose sum is σ = 1992396840. Its totient is φ = 649479168.

The previous prime is 1313599783. The next prime is 1313599811. The reversal of 1313599802 is 2089953131.

It can be written as a sum of positive squares in 4 ways, for example, as 1118969401 + 194630401 = 33451^2 + 13951^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1313599802.

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 7 ways as a sum of consecutive naturals, for example, 321758 + ... + 325814.

Almost surely, 2^1313599802 is an apocalyptic number.

1313599802 is a deficient number, since it is larger than the sum of its proper divisors (678797038).

1313599802 is a wasteful number, since it uses less digits than its factorization.

1313599802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5825.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 1313599802 is about 36243.6173967224. The cubic root of 1313599802 is about 1095.1855157140.

The spelling of 1313599802 in words is "one billion, three hundred thirteen million, five hundred ninety-nine thousand, eight hundred two".