1313802506 has 32 divisors (see below), whose sum is σ = 2087247360. Its totient is φ = 619358400.

The previous prime is 1313802487. The next prime is 1313802547. The reversal of 1313802506 is 6052083131.

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 15 ways as a sum of consecutive naturals, for example, 410645 + ... + 413831.

It is an arithmetic number, because the mean of its divisors is an integer number (65226480).

Almost surely, 2^1313802506 is an apocalyptic number.

1313802506 is a deficient number, since it is larger than the sum of its proper divisors (773444854).

1313802506 is a wasteful number, since it uses less digits than its factorization.

1313802506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1313802506 is about 36246.4136984613. The cubic root of 1313802506 is about 1095.2418461799.

Adding to 1313802506 its reverse (6052083131), we get a palindrome (7365885637).

The spelling of 1313802506 in words is "one billion, three hundred thirteen million, eight hundred two thousand, five hundred six".