1315683755 has 4 divisors (see below), whose sum is σ = 1578820512. Its totient is φ = 1052547000.

The previous prime is 1315683749. The next prime is 1315683773. The reversal of 1315683755 is 5573865131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5573865131 = 31 ⋅179802101.

It is not a de Polignac number, because 1315683755 - 2¹⁴ = 1315667371 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131568371 + ... + 131568380.

It is an arithmetic number, because the mean of its divisors is an integer number (394705128).

Almost surely, 2^1315683755 is an apocalyptic number.

1315683755 is a deficient number, since it is larger than the sum of its proper divisors (263136757).

1315683755 is an equidigital number, since it uses as much as digits as its factorization.

1315683755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263136756.

The product of its digits is 378000, while the sum is 44.

The square root of 1315683755 is about 36272.3552447315. The cubic root of 1315683755 is about 1095.7643600160.

The spelling of 1315683755 in words is "one billion, three hundred fifteen million, six hundred eighty-three thousand, seven hundred fifty-five".