1340946760 has 16 divisors (see below), whose sum is σ = 3017130300. Its totient is φ = 536378688.

The previous prime is 1340946653. The next prime is 1340946781. The reversal of 1340946760 is 676490431.

It can be written as a sum of positive squares in 2 ways, for example, as 1110089124 + 230857636 = 33318^2 + 15194^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 33523669 = 1340946760 / (1 + 3 + 4 + 0 + 9 + 4 + 6 + 7 + 6 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16761795 + ... + 16761874.

Almost surely, 2^1340946760 is an apocalyptic number.

1340946760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340946760 is an abundant number, since it is smaller than the sum of its proper divisors (1676183540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340946760 is a wasteful number, since it uses less digits than its factorization.

1340946760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33523680 (or 33523676 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 1340946760 is about 36618.9399081950. The cubic root of 1340946760 is about 1102.7333566093.

The spelling of 1340946760 in words is "one billion, three hundred forty million, nine hundred forty-six thousand, seven hundred sixty".