1340349355 has 16 divisors (see below), whose sum is σ = 1617408000. Its totient is φ = 1066305760.

The previous prime is 1340349323. The next prime is 1340349371. The reversal of 1340349355 is 5539430431.

It is not a de Polignac number, because 1340349355 - 2⁵ = 1340349323 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 930726 + ... + 932164.

It is an arithmetic number, because the mean of its divisors is an integer number (101088000).

Almost surely, 2^1340349355 is an apocalyptic number.

1340349355 is a deficient number, since it is larger than the sum of its proper divisors (277058645).

1340349355 is a wasteful number, since it uses less digits than its factorization.

1340349355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 1340349355 is about 36610.7819501305. The cubic root of 1340349355 is about 1102.5695727576.

Adding to 1340349355 its reverse (5539430431), we get a palindrome (6879779786).

The spelling of 1340349355 in words is "one billion, three hundred forty million, three hundred forty-nine thousand, three hundred fifty-five".