1340480727 has 12 divisors (see below), whose sum is σ = 1939135744. Its totient is φ = 892321920.

The previous prime is 1340480711. The next prime is 1340480737. The reversal of 1340480727 is 7270840431.

It is a happy number.

It is not a de Polignac number, because 1340480727 - 2⁴ = 1340480711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1340480691 and 1340480700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340480737) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 104599 + ... + 116712.

Almost surely, 2^1340480727 is an apocalyptic number.

1340480727 is a deficient number, since it is larger than the sum of its proper divisors (598655017).

1340480727 is a wasteful number, since it uses less digits than its factorization.

1340480727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221990 (or 221987 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 1340480727 is about 36612.5760770804. The cubic root of 1340480727 is about 1102.6055937242.

The spelling of 1340480727 in words is "one billion, three hundred forty million, four hundred eighty thousand, seven hundred twenty-seven".