1380045717 has 6 divisors (see below), whose sum is σ = 1993399382. Its totient is φ = 920030472.

The previous prime is 1380045683. The next prime is 1380045727. The reversal of 1380045717 is 7175400831.

1380045717 is a `hidden beast` number, since 1 + 3 + 80 + 0 + 4 + 571 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1365598116 + 14447601 = 36954^2 + 3801^2 .

It is not a de Polignac number, because 1380045717 - 2⁸ = 1380045461 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 (1380045727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76669198 + ... + 76669215.

Almost surely, 2^1380045717 is an apocalyptic number.

It is an amenable number.

1380045717 is a deficient number, since it is larger than the sum of its proper divisors (613353665).

1380045717 is a wasteful number, since it uses less digits than its factorization.

1380045717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153338419 (or 153338416 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 1380045717 is about 37148.9665670527. The cubic root of 1380045717 is about 1113.3485756834.

The spelling of 1380045717 in words is "one billion, three hundred eighty million, forty-five thousand, seven hundred seventeen".