1340535210 has 64 divisors (see below), whose sum is σ = 3692812032. Its totient is φ = 305081856.

The previous prime is 1340535199. The next prime is 1340535227. The reversal of 1340535210 is 125350431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35232 + ... + 62628.

It is an arithmetic number, because the mean of its divisors is an integer number (57700188).

Almost surely, 2^1340535210 is an apocalyptic number.

1340535210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340535210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1846406016).

1340535210 is an abundant number, since it is smaller than the sum of its proper divisors (2352276822).

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

1340535210 is a wasteful number, since it uses less digits than its factorization.

1340535210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27647.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1340535210 is about 36613.3201171377. The cubic root of 1340535210 is about 1102.6205317598.

Adding to 1340535210 its reverse (125350431), we get a palindrome (1465885641).

The spelling of 1340535210 in words is "one billion, three hundred forty million, five hundred thirty-five thousand, two hundred ten".