1316329465 has 64 divisors (see below), whose sum is σ = 1884529152. Its totient is φ = 871936000.

The previous prime is 1316329457. The next prime is 1316329489. The reversal of 1316329465 is 5649236131.

It is not a de Polignac number, because 1316329465 - 2³ = 1316329457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5004924 + ... + 5005186.

It is an arithmetic number, because the mean of its divisors is an integer number (29445768).

Almost surely, 2^1316329465 is an apocalyptic number.

It is an amenable number.

1316329465 is a deficient number, since it is larger than the sum of its proper divisors (568199687).

1316329465 is a wasteful number, since it uses less digits than its factorization.

1316329465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450.

The product of its digits is 116640, while the sum is 40.

The square root of 1316329465 is about 36281.2550086129. The cubic root of 1316329465 is about 1095.9435900891.

The spelling of 1316329465 in words is "one billion, three hundred sixteen million, three hundred twenty-nine thousand, four hundred sixty-five".