1340707744 has 12 divisors (see below), whose sum is σ = 2639518434. Its totient is φ = 670353856.

The previous prime is 1340707733. The next prime is 1340707757. The reversal of 1340707744 is 4477070431.

It can be written as a sum of positive squares in only one way, i.e., 1309571344 + 31136400 = 36188^2 + 5580^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20948527 + ... + 20948590.

Almost surely, 2^1340707744 is an apocalyptic number.

It is an amenable number.

1340707744 is a deficient number, since it is larger than the sum of its proper divisors (1298810690).

1340707744 is an equidigital number, since it uses as much as digits as its factorization.

1340707744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41897127 (or 41897119 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 1340707744 is about 36615.6762056909. The cubic root of 1340707744 is about 1102.6678341031.

The spelling of 1340707744 in words is "one billion, three hundred forty million, seven hundred seven thousand, seven hundred forty-four".