1308661316 has 12 divisors (see below), whose sum is σ = 2296955388. Its totient is φ = 652388352.

The previous prime is 1308661267. The next prime is 1308661339. The reversal of 1308661316 is 6131668031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 182790400 + 1125870916 = 13520^2 + 33554^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484061 + ... + 486756.

It is an arithmetic number, because the mean of its divisors is an integer number (191412949).

Almost surely, 2^1308661316 is an apocalyptic number.

It is an amenable number.

1308661316 is a deficient number, since it is larger than the sum of its proper divisors (988294072).

1308661316 is a wasteful number, since it uses less digits than its factorization.

1308661316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971158 (or 971156 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1308661316 is about 36175.4241993097. The cubic root of 1308661316 is about 1093.8113401201.

The spelling of 1308661316 in words is "one billion, three hundred eight million, six hundred sixty-one thousand, three hundred sixteen".