1340203414 has 16 divisors (see below), whose sum is σ = 2198140560. Its totient is φ = 607772160.

The previous prime is 1340203409. The next prime is 1340203427. The reversal of 1340203414 is 4143020431.

It is a super-2 number, since 2×1340203414² = 3592290381794510792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60819 + ... + 79870.

It is an arithmetic number, because the mean of its divisors is an integer number (137383785).

Almost surely, 2^1340203414 is an apocalyptic number.

1340203414 is a deficient number, since it is larger than the sum of its proper divisors (857937146).

1340203414 is a wasteful number, since it uses less digits than its factorization.

1340203414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141135.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1340203414 is about 36608.7887535220. The cubic root of 1340203414 is about 1102.5295543485.

Adding to 1340203414 its reverse (4143020431), we get a palindrome (5483223845).

The spelling of 1340203414 in words is "one billion, three hundred forty million, two hundred three thousand, four hundred fourteen".