1389529006 has 16 divisors (see below), whose sum is σ = 2146173120. Its totient is φ = 674235360.

The previous prime is 1389528953. The next prime is 1389529007. The reversal of 1389529006 is 6009259831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389529007) 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, 4651 + ... + 52921.

It is an arithmetic number, because the mean of its divisors is an integer number (134135820).

Almost surely, 2^1389529006 is an apocalyptic number.

1389529006 is a deficient number, since it is larger than the sum of its proper divisors (756644114).

1389529006 is a wasteful number, since it uses less digits than its factorization.

1389529006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48699.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 1389529006 is about 37276.3867079415. The cubic root of 1389529006 is about 1115.8929633386.

The spelling of 1389529006 in words is "one billion, three hundred eighty-nine million, five hundred twenty-nine thousand, six".