1380686683 has 8 divisors (see below), whose sum is σ = 1393514496. Its totient is φ = 1367893800.

The previous prime is 1380686653. The next prime is 1380686687. The reversal of 1380686683 is 3866860831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1380686683 - 2⁹ = 1380686171 is a prime.

It is a super-2 number, since 2×1380686683² = 3812591433227084978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380686687) 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 7 ways as a sum of consecutive naturals, for example, 74310 + ... + 91012.

It is an arithmetic number, because the mean of its divisors is an integer number (174189312).

Almost surely, 2^1380686683 is an apocalyptic number.

1380686683 is a deficient number, since it is larger than the sum of its proper divisors (12827813).

1380686683 is a wasteful number, since it uses less digits than its factorization.

1380686683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17465.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 1380686683 is about 37157.5925350392. The cubic root of 1380686683 is about 1113.5209149333.

It can be divided in two parts, 13806 and 86683, that added together give a square (100489 = 317²).

The spelling of 1380686683 in words is "one billion, three hundred eighty million, six hundred eighty-six thousand, six hundred eighty-three".