1340828799 has 8 divisors (see below), whose sum is σ = 1799770800. Its totient is φ = 887886336.

The previous prime is 1340828791. The next prime is 1340828807. The reversal of 1340828799 is 9978280431.

It is an interprime number because it is at equal distance from previous prime (1340828791) and next prime (1340828807).

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

It is not a de Polignac number, because 1340828799 - 2³ = 1340828791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340828791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1499362 + ... + 1500255.

It is an arithmetic number, because the mean of its divisors is an integer number (224971350).

Almost surely, 2^1340828799 is an apocalyptic number.

1340828799 is a deficient number, since it is larger than the sum of its proper divisors (458942001).

1340828799 is a wasteful number, since it uses less digits than its factorization.

1340828799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999769.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 1340828799 is about 36617.3292171890. The cubic root of 1340828799 is about 1102.7010204153.

The spelling of 1340828799 in words is "one billion, three hundred forty million, eight hundred twenty-eight thousand, seven hundred ninety-nine".