1340346255 has 16 divisors (see below), whose sum is σ = 2165789664. Its totient is φ = 707772800.

The previous prime is 1340346233. The next prime is 1340346257. The reversal of 1340346255 is 5526430431.

It is not a de Polignac number, because 1340346255 - 2¹⁰ = 1340345231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340346257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440844 + ... + 443873.

It is an arithmetic number, because the mean of its divisors is an integer number (135361854).

Almost surely, 2^1340346255 is an apocalyptic number.

1340346255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1340346255 is a deficient number, since it is larger than the sum of its proper divisors (825443409).

1340346255 is a wasteful number, since it uses less digits than its factorization.

1340346255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884826.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 1340346255 is about 36610.7396128513. The cubic root of 1340346255 is about 1102.5687227384.

Adding to 1340346255 its reverse (5526430431), we get a palindrome (6866776686).

The spelling of 1340346255 in words is "one billion, three hundred forty million, three hundred forty-six thousand, two hundred fifty-five".