1313378255 has 8 divisors (see below), whose sum is σ = 1801204512. Its totient is φ = 900602208.

The previous prime is 1313378237. The next prime is 1313378273. The reversal of 1313378255 is 5528733131.

It is an interprime number because it is at equal distance from previous prime (1313378237) and next prime (1313378273).

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 1313378255 - 2⁸ = 1313377999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18762512 + ... + 18762581.

It is an arithmetic number, because the mean of its divisors is an integer number (225150564).

Almost surely, 2^1313378255 is an apocalyptic number.

1313378255 is a deficient number, since it is larger than the sum of its proper divisors (487826257).

1313378255 is an equidigital number, since it uses as much as digits as its factorization.

1313378255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37525105.

The product of its digits is 75600, while the sum is 38.

The square root of 1313378255 is about 36240.5609090146. The cubic root of 1313378255 is about 1095.1239422406.

The spelling of 1313378255 in words is "one billion, three hundred thirteen million, three hundred seventy-eight thousand, two hundred fifty-five".