1340798132 has 6 divisors (see below), whose sum is σ = 2346396738. Its totient is φ = 670399064.

The previous prime is 1340798089. The next prime is 1340798141. The reversal of 1340798132 is 2318970431.

It can be written as a sum of positive squares in only one way, i.e., 1307111716 + 33686416 = 36154^2 + 5804^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 167599763 + ... + 167599770.

It is an arithmetic number, because the mean of its divisors is an integer number (391066123).

Almost surely, 2^1340798132 is an apocalyptic number.

It is an amenable number.

1340798132 is a deficient number, since it is larger than the sum of its proper divisors (1005598606).

1340798132 is a wasteful number, since it uses less digits than its factorization.

1340798132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335199537 (or 335199535 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1340798132 is about 36616.9104649751. The cubic root of 1340798132 is about 1102.6926134782.

The spelling of 1340798132 in words is "one billion, three hundred forty million, seven hundred ninety-eight thousand, one hundred thirty-two".