1340005015799 has 4 divisors (see below), whose sum is σ = 1368515760864. Its totient is φ = 1311494270736.

The previous prime is 1340005015793. The next prime is 1340005015861. The reversal of 1340005015799 is 9975105000431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1340005015799 - 2³⁶ = 1271285539063 is a prime.

It is a super-3 number, since 3×1340005015799³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340005015793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14255372462 + ... + 14255372555.

It is an arithmetic number, because the mean of its divisors is an integer number (342128940216).

Almost surely, 2^{1340005015799} is an apocalyptic number.

1340005015799 is a deficient number, since it is larger than the sum of its proper divisors (28510745065).

1340005015799 is an equidigital number, since it uses as much as digits as its factorization.

1340005015799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28510745064.

The product of its (nonzero) digits is 170100, while the sum is 44.

The spelling of 1340005015799 in words is "one trillion, three hundred forty billion, five million, fifteen thousand, seven hundred ninety-nine".