1340535712 has 24 divisors (see below), whose sum is σ = 2640046500. Its totient is φ = 670047744.

The previous prime is 1340535689. The next prime is 1340535769. The reversal of 1340535712 is 2175350431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1334002576 + 6533136 = 36524^2 + 2556^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140964 + ... + 150172.

Almost surely, 2^1340535712 is an apocalyptic number.

It is an amenable number.

1340535712 is a deficient number, since it is larger than the sum of its proper divisors (1299510788).

1340535712 is an equidigital number, since it uses as much as digits as its factorization.

1340535712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13768 (or 13760 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 1340535712 is about 36613.3269725656. The cubic root of 1340535712 is about 1102.6206693953.

The spelling of 1340535712 in words is "one billion, three hundred forty million, five hundred thirty-five thousand, seven hundred twelve".