1340412214 has 4 divisors (see below), whose sum is σ = 2010618324. Its totient is φ = 670206106.

The previous prime is 1340412169. The next prime is 1340412253. The reversal of 1340412214 is 4122140431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335103052 + ... + 335103055.

It is an arithmetic number, because the mean of its divisors is an integer number (502654581).

Almost surely, 2^1340412214 is an apocalyptic number.

1340412214 is a deficient number, since it is larger than the sum of its proper divisors (670206110).

1340412214 is an equidigital number, since it uses as much as digits as its factorization.

1340412214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670206109.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1340412214 is about 36611.6404166762. The cubic root of 1340412214 is about 1102.5868083977.

Adding to 1340412214 its reverse (4122140431), we get a palindrome (5462552645).

The spelling of 1340412214 in words is "one billion, three hundred forty million, four hundred twelve thousand, two hundred fourteen".