1321340001499 has 8 divisors (see below), whose sum is σ = 1510858304000. Its totient is φ = 1132010560296.

The previous prime is 1321340001431. The next prime is 1321340001503. The reversal of 1321340001499 is 9941000431231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1321340001499 - 2¹¹ = 1321339999451 is a prime.

It is a super-2 number, since 2×1321340001499² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321340041499) by changing a digit.

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, 47200329 + ... + 47228314.

It is an arithmetic number, because the mean of its divisors is an integer number (188857288000).

Almost surely, 2^{1321340001499} is an apocalyptic number.

1321340001499 is a deficient number, since it is larger than the sum of its proper divisors (189518302501).

1321340001499 is an equidigital number, since it uses as much as digits as its factorization.

1321340001499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94430649.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 1321340001499 in words is "one trillion, three hundred twenty-one billion, three hundred forty million, one thousand, four hundred ninety-nine".