1340210234 has 32 divisors (see below), whose sum is σ = 2273702400. Its totient is φ = 586882240.

The previous prime is 1340210231. The next prime is 1340210251. The reversal of 1340210234 is 4320120431.

It is not an unprimeable number, because it can be changed into a prime (1340210231) 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 15 ways as a sum of consecutive naturals, for example, 322679 + ... + 326805.

It is an arithmetic number, because the mean of its divisors is an integer number (71053200).

Almost surely, 2^1340210234 is an apocalyptic number.

1340210234 is a deficient number, since it is larger than the sum of its proper divisors (933492166).

1340210234 is a wasteful number, since it uses less digits than its factorization.

1340210234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4678.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1340210234 is about 36608.8819004350. The cubic root of 1340210234 is about 1102.5314245220.

Adding to 1340210234 its reverse (4320120431), we get a palindrome (5660330665).

The spelling of 1340210234 in words is "one billion, three hundred forty million, two hundred ten thousand, two hundred thirty-four".