1316112765 has 32 divisors (see below), whose sum is σ = 2316235392. Its totient is φ = 638105600.

The previous prime is 1316112757. The next prime is 1316112797. The reversal of 1316112765 is 5672116131.

It is not a de Polignac number, because 1316112765 - 2³ = 1316112757 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 31 ways as a sum of consecutive naturals, for example, 12996 + ... + 52925.

It is an arithmetic number, because the mean of its divisors is an integer number (72382356).

Almost surely, 2^1316112765 is an apocalyptic number.

1316112765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1316112765 is a deficient number, since it is larger than the sum of its proper divisors (1000122627).

1316112765 is an equidigital number, since it uses as much as digits as its factorization.

1316112765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65962 (or 65940 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 1316112765 is about 36278.2684950646. The cubic root of 1316112765 is about 1095.8834470890.

Adding to 1316112765 its reverse (5672116131), we get a palindrome (6988228896).

The spelling of 1316112765 in words is "one billion, three hundred sixteen million, one hundred twelve thousand, seven hundred sixty-five".