1380306783 has 8 divisors (see below), whose sum is σ = 1854458496. Its totient is φ = 913179800.

The previous prime is 1380306773. The next prime is 1380306787. The reversal of 1380306783 is 3876030831.

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 1380306783 - 2⁹ = 1380306271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380306787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1755723 + ... + 1756508.

It is an arithmetic number, because the mean of its divisors is an integer number (231807312).

Almost surely, 2^1380306783 is an apocalyptic number.

1380306783 is a deficient number, since it is larger than the sum of its proper divisors (474151713).

1380306783 is a wasteful number, since it uses less digits than its factorization.

1380306783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512365.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 1380306783 is about 37152.4801729306. The cubic root of 1380306783 is about 1113.4187760470.

The spelling of 1380306783 in words is "one billion, three hundred eighty million, three hundred six thousand, seven hundred eighty-three".