1309103869376 has 28 divisors (see below), whose sum is σ = 2658165856632. Its totient is φ = 639329795328.

The previous prime is 1309103869361. The next prime is 1309103869391. The reversal of 1309103869376 is 6739683019031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1309103869361) and next prime (1309103869391).

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 3 ways as a sum of consecutive naturals, for example, 237843155 + ... + 237848658.

Almost surely, 2^{1309103869376} is an apocalyptic number.

1309103869376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1309103869376 is an abundant number, since it is smaller than the sum of its proper divisors (1349061987256).

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

1309103869376 is an equidigital number, since it uses as much as digits as its factorization.

1309103869376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475691868 (or 475691858 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 56.

The spelling of 1309103869376 in words is "one trillion, three hundred nine billion, one hundred three million, eight hundred sixty-nine thousand, three hundred seventy-six".