1340402414 has 16 divisors (see below), whose sum is σ = 2166227280. Its totient is φ = 618372480.

The previous prime is 1340402363. The next prime is 1340402419. The reversal of 1340402414 is 4142040431.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1340402414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340402419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55622 + ... + 75990.

It is an arithmetic number, because the mean of its divisors is an integer number (135389205).

Almost surely, 2^1340402414 is an apocalyptic number.

1340402414 is a deficient number, since it is larger than the sum of its proper divisors (825824866).

1340402414 is a wasteful number, since it uses less digits than its factorization.

1340402414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22915.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1340402414 is about 36611.5065792163. The cubic root of 1340402414 is about 1102.5841213196.

Adding to 1340402414 its reverse (4142040431), we get a palindrome (5482442845).

The spelling of 1340402414 in words is "one billion, three hundred forty million, four hundred two thousand, four hundred fourteen".