1340211234 has 16 divisors (see below), whose sum is σ = 2717141472. Its totient is φ = 440617248.

The previous prime is 1340211199. The next prime is 1340211241. The reversal of 1340211234 is 4321120431.

It is a self number, because there is not a number n which added to its sum of digits gives 1340211234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1529484 + ... + 1530359.

It is an arithmetic number, because the mean of its divisors is an integer number (169821342).

Almost surely, 2^1340211234 is an apocalyptic number.

1340211234 is an abundant number, since it is smaller than the sum of its proper divisors (1376930238).

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

1340211234 is a wasteful number, since it uses less digits than its factorization.

1340211234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059921.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1340211234 is about 36608.8955583202. The cubic root of 1340211234 is about 1102.5316987405.

Adding to 1340211234 its reverse (4321120431), we get a palindrome (5661331665).

The spelling of 1340211234 in words is "one billion, three hundred forty million, two hundred eleven thousand, two hundred thirty-four".