1340502355 has 8 divisors (see below), whose sum is σ = 1610245152. Its totient is φ = 1071307008.

The previous prime is 1340502323. The next prime is 1340502391. The reversal of 1340502355 is 5532050431.

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

It is a cyclic number.

It is not a de Polignac number, because 1340502355 - 2⁵ = 1340502323 is a prime.

It is a super-3 number, since 3×1340502355³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131454 + ... + 141283.

It is an arithmetic number, because the mean of its divisors is an integer number (201280644).

Almost surely, 2^1340502355 is an apocalyptic number.

1340502355 is a deficient number, since it is larger than the sum of its proper divisors (269742797).

1340502355 is an equidigital number, since it uses as much as digits as its factorization.

1340502355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273725.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1340502355 is about 36612.8714388806. The cubic root of 1340502355 is about 1102.6115236927.

Adding to 1340502355 its reverse (5532050431), we get a palindrome (6872552786).

The spelling of 1340502355 in words is "one billion, three hundred forty million, five hundred two thousand, three hundred fifty-five".