1340047294 has 32 divisors (see below), whose sum is σ = 2073600000. Its totient is φ = 649259424.

The previous prime is 1340047271. The next prime is 1340047297. The reversal of 1340047294 is 4927400431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340047297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3498627 + ... + 3499009.

It is an arithmetic number, because the mean of its divisors is an integer number (64800000).

Almost surely, 2^1340047294 is an apocalyptic number.

1340047294 is a deficient number, since it is larger than the sum of its proper divisors (733552706).

1340047294 is a wasteful number, since it uses less digits than its factorization.

1340047294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1340047294 is about 36606.6564165590. The cubic root of 1340047294 is about 1102.4867415445.

The spelling of 1340047294 in words is "one billion, three hundred forty million, forty-seven thousand, two hundred ninety-four".