1389083007 has 8 divisors (see below), whose sum is σ = 1994580784. Its totient is φ = 854820288.

The previous prime is 1389082969. The next prime is 1389083009. The reversal of 1389083007 is 7003809831.

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

It is not a de Polignac number, because 1389083007 - 2¹⁵ = 1389050239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 35617513 = 1389083007 / (1 + 3 + 8 + 9 + 0 + 8 + 3 + 0 + 0 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389083009) 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, 17808718 + ... + 17808795.

It is an arithmetic number, because the mean of its divisors is an integer number (249322598).

Almost surely, 2^1389083007 is an apocalyptic number.

1389083007 is a deficient number, since it is larger than the sum of its proper divisors (605497777).

1389083007 is a wasteful number, since it uses less digits than its factorization.

1389083007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35617529.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1389083007 is about 37270.4039017556. The cubic root of 1389083007 is about 1115.7735606727.

The spelling of 1389083007 in words is "one billion, three hundred eighty-nine million, eighty-three thousand, seven".