1340110402 has 8 divisors (see below), whose sum is σ = 2010397500. Its totient is φ = 669977904.

The previous prime is 1340110399. The next prime is 1340110517. The reversal of 1340110402 is 2040110431.

It can be written as a sum of positive squares in 2 ways, for example, as 1099519281 + 240591121 = 33159^2 + 15511^2 .

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

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, 13777 + ... + 53572.

Almost surely, 2^1340110402 is an apocalyptic number.

1340110402 is a deficient number, since it is larger than the sum of its proper divisors (670287098).

1340110402 is an equidigital number, since it uses as much as digits as its factorization.

1340110402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77300.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1340110402 is about 36607.5183807917. The cubic root of 1340110402 is about 1102.5040480584.

Adding to 1340110402 its reverse (2040110431), we get a palindrome (3380220833).

The spelling of 1340110402 in words is "one billion, three hundred forty million, one hundred ten thousand, four hundred two".