1389150466 has 16 divisors (see below), whose sum is σ = 2274658848. Its totient is φ = 631014400.

The previous prime is 1389150419. The next prime is 1389150473. The reversal of 1389150466 is 6640519831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14466 + ... + 54658.

It is an arithmetic number, because the mean of its divisors is an integer number (142166178).

Almost surely, 2^1389150466 is an apocalyptic number.

1389150466 is a deficient number, since it is larger than the sum of its proper divisors (885508382).

1389150466 is a wasteful number, since it uses less digits than its factorization.

1389150466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41777.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 1389150466 is about 37271.3088849855. The cubic root of 1389150466 is about 1115.7916224084.

The spelling of 1389150466 in words is "one billion, three hundred eighty-nine million, one hundred fifty thousand, four hundred sixty-six".