1340432414 has 4 divisors (see below), whose sum is σ = 2010648624. Its totient is φ = 670216206.

The previous prime is 1340432413. The next prime is 1340432417. The reversal of 1340432414 is 4142340431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4142340431 = 79 ⋅52434689.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340432413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335108102 + ... + 335108105.

It is an arithmetic number, because the mean of its divisors is an integer number (502662156).

Almost surely, 2^1340432414 is an apocalyptic number.

1340432414 is a deficient number, since it is larger than the sum of its proper divisors (670216210).

1340432414 is an equidigital number, since it uses as much as digits as its factorization.

1340432414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670216209.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1340432414 is about 36611.9162841827. The cubic root of 1340432414 is about 1102.5923470277.

Adding to 1340432414 its reverse (4142340431), we get a palindrome (5482772845).

The spelling of 1340432414 in words is "one billion, three hundred forty million, four hundred thirty-two thousand, four hundred fourteen".