1340211045 has 32 divisors (see below), whose sum is σ = 2169216000. Its totient is φ = 706535424.

The previous prime is 1340211029. The next prime is 1340211121. The reversal of 1340211045 is 5401120431.

It is not a de Polignac number, because 1340211045 - 2⁴ = 1340211029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497061 + ... + 499749.

It is an arithmetic number, because the mean of its divisors is an integer number (67788000).

Almost surely, 2^1340211045 is an apocalyptic number.

1340211045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1340211045 is a deficient number, since it is larger than the sum of its proper divisors (829004955).

1340211045 is a wasteful number, since it uses less digits than its factorization.

1340211045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1340211045 is about 36608.8929769803. The cubic root of 1340211045 is about 1102.5316469132.

Adding to 1340211045 its reverse (5401120431), we get a palindrome (6741331476).

The spelling of 1340211045 in words is "one billion, three hundred forty million, two hundred eleven thousand, forty-five".