1340431414 has 8 divisors (see below), whose sum is σ = 2297882448. Its totient is φ = 574470600.

The previous prime is 1340431387. The next prime is 1340431429. The reversal of 1340431414 is 4141340431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47872537 + ... + 47872564.

It is an arithmetic number, because the mean of its divisors is an integer number (287235306).

Almost surely, 2^1340431414 is an apocalyptic number.

1340431414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1340431414 is a deficient number, since it is larger than the sum of its proper divisors (957451034).

1340431414 is an equidigital number, since it uses as much as digits as its factorization.

1340431414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95745110.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1340431414 is about 36611.9026274243. The cubic root of 1340431414 is about 1102.5920728394.

Adding to 1340431414 its reverse (4141340431), we get a palindrome (5481771845).

The spelling of 1340431414 in words is "one billion, three hundred forty million, four hundred thirty-one thousand, four hundred fourteen".