1340134210 has 24 divisors (see below), whose sum is σ = 2422857780. Its totient is φ = 533704704.

The previous prime is 1340134207. The next prime is 1340134223. The reversal of 1340134210 is 124310431.

It can be written as a sum of positive squares in 6 ways, for example, as 1309209489 + 30924721 = 36183^2 + 5561^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 659476 + ... + 661504.

Almost surely, 2^1340134210 is an apocalyptic number.

1340134210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340134210 is a deficient number, since it is larger than the sum of its proper divisors (1082723570).

1340134210 is an equidigital number, since it uses as much as digits as its factorization.

1340134210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550 (or 2293 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1340134210 is about 36607.8435584507. The cubic root of 1340134210 is about 1102.5105769386.

Adding to 1340134210 its reverse (124310431), we get a palindrome (1464444641).

The spelling of 1340134210 in words is "one billion, three hundred forty million, one hundred thirty-four thousand, two hundred ten".