1340245255 has 8 divisors (see below), whose sum is σ = 1624218624. Its totient is φ = 1061580000.

The previous prime is 1340245243. The next prime is 1340245273. The reversal of 1340245255 is 5525420431.

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

It is not a de Polignac number, because 1340245255 - 2⁵ = 1340245223 is a prime.

It is a Duffinian number.

It is a congruent 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, 1326471 + ... + 1327480.

It is an arithmetic number, because the mean of its divisors is an integer number (203027328).

Almost surely, 2^1340245255 is an apocalyptic number.

1340245255 is a deficient number, since it is larger than the sum of its proper divisors (283973369).

1340245255 is a wasteful number, since it uses less digits than its factorization.

1340245255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654057.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1340245255 is about 36609.3602101976. The cubic root of 1340245255 is about 1102.5410278454.

Adding to 1340245255 its reverse (5525420431), we get a palindrome (6865665686).

The spelling of 1340245255 in words is "one billion, three hundred forty million, two hundred forty-five thousand, two hundred fifty-five".