1316456089 has 9 divisors (see below), whose sum is σ = 1426022559. Its totient is φ = 1214754840.

The previous prime is 1316456087. The next prime is 1316456101. The reversal of 1316456089 is 9806546131.

The square root of 1316456089 is 36283.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 194742025 + 1121714064 = 13955^2 + 33492^2 .

It is not a de Polignac number, because 1316456089 - 2¹ = 1316456087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1316456087) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 470284 + ... + 473074.

It is an arithmetic number, because the mean of its divisors is an integer number (158446951).

Almost surely, 2^1316456089 is an apocalyptic number.

1316456089 is the 36283-rd square number.

1316456089 is the 18142-nd centered octagonal number.

It is an amenable number.

1316456089 is a deficient number, since it is larger than the sum of its proper divisors (109566470).

1316456089 is an frugal number, since it uses more digits than its factorization.

1316456089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608 (or 2804 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The cubic root of 1316456089 is about 1095.9787303068.

The spelling of 1316456089 in words is "one billion, three hundred sixteen million, four hundred fifty-six thousand, eighty-nine".