1386982465 has 12 divisors (see below), whose sum is σ = 1829442132. Its totient is φ = 1008714080.

The previous prime is 1386982427. The next prime is 1386982469. The reversal of 1386982465 is 5642896831.

It can be written as a sum of positive squares in 2 ways, for example, as 1065891904 + 321090561 = 32648^2 + 17919^2 .

It is not a de Polignac number, because 1386982465 - 2¹³ = 1386974273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1386982469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1145662 + ... + 1146871.

It is an arithmetic number, because the mean of its divisors is an integer number (152453511).

Almost surely, 2^1386982465 is an apocalyptic number.

It is an amenable number.

1386982465 is a deficient number, since it is larger than the sum of its proper divisors (442459667).

1386982465 is a wasteful number, since it uses less digits than its factorization.

1386982465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292560 (or 2292549 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The square root of 1386982465 is about 37242.2134814782. The cubic root of 1386982465 is about 1115.2108605347.

The spelling of 1386982465 in words is "one billion, three hundred eighty-six million, nine hundred eighty-two thousand, four hundred sixty-five".