1340647334 has 32 divisors (see below), whose sum is σ = 2286691680. Its totient is φ = 584381952.

The previous prime is 1340647333. The next prime is 1340647337. The reversal of 1340647334 is 4337460431.

It is a super-2 number, since 2×1340647334² = 3594670548322615112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1340647294 and 1340647303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340647331) 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, 162452 + ... + 170504.

It is an arithmetic number, because the mean of its divisors is an integer number (71459115).

Almost surely, 2^1340647334 is an apocalyptic number.

1340647334 is a deficient number, since it is larger than the sum of its proper divisors (946044346).

1340647334 is a wasteful number, since it uses less digits than its factorization.

1340647334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8424.

The product of its (nonzero) digits is 72576, while the sum is 35.

The square root of 1340647334 is about 36614.8512764971. The cubic root of 1340647334 is about 1102.6512724115.

The spelling of 1340647334 in words is "one billion, three hundred forty million, six hundred forty-seven thousand, three hundred thirty-four".