1321134300444 has 24 divisors (see below), whose sum is σ = 3523024801408. Its totient is φ = 377466942960.

The previous prime is 1321134300323. The next prime is 1321134300467. The reversal of 1321134300444 is 4440034311231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7863894562 + ... + 7863894729.

Almost surely, 2^{1321134300444} is an apocalyptic number.

1321134300444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1321134300444 is an abundant number, since it is smaller than the sum of its proper divisors (2201890500964).

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

1321134300444 is a wasteful number, since it uses less digits than its factorization.

1321134300444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15727789305 (or 15727789303 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1321134300444 its reverse (4440034311231), we get a palindrome (5761168611675).

The spelling of 1321134300444 in words is "one trillion, three hundred twenty-one billion, one hundred thirty-four million, three hundred thousand, four hundred forty-four".