1316927265 has 16 divisors (see below), whose sum is σ = 2179742400. Its totient is φ = 678141632.

The previous prime is 1316927243. The next prime is 1316927267. The reversal of 1316927265 is 5627296131.

It is a cyclic number.

It is not a de Polignac number, because 1316927265 - 2⁵ = 1316927233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1316927267) 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, 1513275 + ... + 1514144.

It is an arithmetic number, because the mean of its divisors is an integer number (136233900).

Almost surely, 2^1316927265 is an apocalyptic number.

1316927265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1316927265 is a deficient number, since it is larger than the sum of its proper divisors (862815135).

1316927265 is a wasteful number, since it uses less digits than its factorization.

1316927265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027456.

The product of its digits is 136080, while the sum is 42.

The square root of 1316927265 is about 36289.4924874956. The cubic root of 1316927265 is about 1096.1094695144.

The spelling of 1316927265 in words is "one billion, three hundred sixteen million, nine hundred twenty-seven thousand, two hundred sixty-five".