1316707945 has 16 divisors (see below), whose sum is σ = 1847767680. Its totient is φ = 881887104.

The previous prime is 1316707921. The next prime is 1316707949. The reversal of 1316707945 is 5497076131.

It is not a de Polignac number, because 1316707945 - 2¹⁹ = 1316183657 is a prime.

It is a super-2 number, since 2×1316707945² = 3467439624852246050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (1316707949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435940 + ... + 438949.

It is an arithmetic number, because the mean of its divisors is an integer number (115485480).

Almost surely, 2^1316707945 is an apocalyptic number.

It is an amenable number.

1316707945 is a deficient number, since it is larger than the sum of its proper divisors (531059735).

1316707945 is an equidigital number, since it uses as much as digits as its factorization.

1316707945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874944.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 1316707945 is about 36286.4705503305. The cubic root of 1316707945 is about 1096.0486177418.

It can be divided in two parts, 131 and 6707945, that added together give a palindrome (6708076).

The spelling of 1316707945 in words is "one billion, three hundred sixteen million, seven hundred seven thousand, nine hundred forty-five".