1389858514 has 36 divisors (see below), whose sum is σ = 2316130362. Its totient is φ = 625035840.

The previous prime is 1389858499. The next prime is 1389858521. The reversal of 1389858514 is 4158589831.

It can be written as a sum of positive squares in 3 ways, for example, as 723341025 + 666517489 = 26895^2 + 25817^2 .

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 5964942 + ... + 5965174.

Almost surely, 2^1389858514 is an apocalyptic number.

1389858514 is a deficient number, since it is larger than the sum of its proper divisors (926271848).

1389858514 is a wasteful number, since it uses less digits than its factorization.

1389858514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 403 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 52.

The square root of 1389858514 is about 37280.8062412819. The cubic root of 1389858514 is about 1115.9811626724.

The spelling of 1389858514 in words is "one billion, three hundred eighty-nine million, eight hundred fifty-eight thousand, five hundred fourteen".