1306252403516 has 24 divisors (see below), whose sum is σ = 2312659351296. Its totient is φ = 645520915760.

The previous prime is 1306252403461. The next prime is 1306252403527. The reversal of 1306252403516 is 6153042526031.

It is a self number, because there is not a number n which added to its sum of digits gives 1306252403516.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3356126 + ... + 3725061.

It is an arithmetic number, because the mean of its divisors is an integer number (96360806304).

Almost surely, 2^{1306252403516} is an apocalyptic number.

It is an amenable number.

1306252403516 is a deficient number, since it is larger than the sum of its proper divisors (1006406947780).

1306252403516 is a wasteful number, since it uses less digits than its factorization.

1306252403516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7081729 (or 7081727 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 1306252403516 its reverse (6153042526031), we get a palindrome (7459294929547).

The spelling of 1306252403516 in words is "one trillion, three hundred six billion, two hundred fifty-two million, four hundred three thousand, five hundred sixteen".