1340335146 has 32 divisors (see below), whose sum is σ = 2717022528. Its totient is φ = 440760320.

The previous prime is 1340335111. The next prime is 1340335147. The reversal of 1340335146 is 6415330431.

It is not an unprimeable number, because it can be changed into a prime (1340335147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131050 + ... + 140906.

It is an arithmetic number, because the mean of its divisors is an integer number (84906954).

Almost surely, 2^1340335146 is an apocalyptic number.

1340335146 is an abundant number, since it is smaller than the sum of its proper divisors (1376687382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340335146 is a wasteful number, since it uses less digits than its factorization.

1340335146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10166.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1340335146 is about 36610.5878947607. The cubic root of 1340335146 is about 1102.5656766424.

Adding to 1340335146 its reverse (6415330431), we get a palindrome (7755665577).

The spelling of 1340335146 in words is "one billion, three hundred forty million, three hundred thirty-five thousand, one hundred forty-six".