1340536798 has 16 divisors (see below), whose sum is σ = 2019644640. Its totient is φ = 667328256.

The previous prime is 1340536783. The next prime is 1340536831. The reversal of 1340536798 is 8976350431.

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, 868015 + ... + 869557.

It is an arithmetic number, because the mean of its divisors is an integer number (126227790).

Almost surely, 2^1340536798 is an apocalyptic number.

1340536798 is a deficient number, since it is larger than the sum of its proper divisors (679107842).

1340536798 is a wasteful number, since it uses less digits than its factorization.

1340536798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 1340536798 is about 36613.3418032280. The cubic root of 1340536798 is about 1102.6209671483.

The spelling of 1340536798 in words is "one billion, three hundred forty million, five hundred thirty-six thousand, seven hundred ninety-eight".