1340210214 has 48 divisors (see below), whose sum is σ = 3399570720. Its totient is φ = 373576320.

The previous prime is 1340210093. The next prime is 1340210219. The reversal of 1340210214 is 4120120431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340210219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124549 + ... + 134880.

It is an arithmetic number, because the mean of its divisors is an integer number (70824390).

Almost surely, 2^1340210214 is an apocalyptic number.

1340210214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1340210214 is an abundant number, since it is smaller than the sum of its proper divisors (2059360506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340210214 is a wasteful number, since it uses less digits than its factorization.

1340210214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259485 (or 259482 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1340210214 is about 36608.8816272773. The cubic root of 1340210214 is about 1102.5314190377.

Adding to 1340210214 its reverse (4120120431), we get a palindrome (5460330645).

The spelling of 1340210214 in words is "one billion, three hundred forty million, two hundred ten thousand, two hundred fourteen".