1318232465 has 16 divisors (see below), whose sum is σ = 1800717696. Its totient is φ = 917030400.

The previous prime is 1318232459. The next prime is 1318232543. The reversal of 1318232465 is 5642328131.

It is not a de Polignac number, because 1318232465 - 2⁶ = 1318232401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519776 + ... + 522305.

It is an arithmetic number, because the mean of its divisors is an integer number (112544856).

Almost surely, 2^1318232465 is an apocalyptic number.

It is an amenable number.

1318232465 is a deficient number, since it is larger than the sum of its proper divisors (482485231).

1318232465 is a wasteful number, since it uses less digits than its factorization.

1318232465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042120.

The product of its digits is 34560, while the sum is 35.

The square root of 1318232465 is about 36307.4712008424. The cubic root of 1318232465 is about 1096.4714661469.

The spelling of 1318232465 in words is "one billion, three hundred eighteen million, two hundred thirty-two thousand, four hundred sixty-five".