1315965677 has 16 divisors (see below), whose sum is σ = 1503895680. Its totient is φ = 1142213952.

The previous prime is 1315965661. The next prime is 1315965689. The reversal of 1315965677 is 7765695131.

It is a cyclic number.

It is not a de Polignac number, because 1315965677 - 2⁴ = 1315965661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315965697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19658 + ... + 54939.

It is an arithmetic number, because the mean of its divisors is an integer number (93993480).

Almost surely, 2^1315965677 is an apocalyptic number.

It is an amenable number.

1315965677 is a deficient number, since it is larger than the sum of its proper divisors (187930003).

1315965677 is a wasteful number, since it uses less digits than its factorization.

1315965677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74692.

The product of its digits is 1190700, while the sum is 50.

The square root of 1315965677 is about 36276.2412192884. The cubic root of 1315965677 is about 1095.8426204684.

The spelling of 1315965677 in words is "one billion, three hundred fifteen million, nine hundred sixty-five thousand, six hundred seventy-seven".