1390002889 has 16 divisors (see below), whose sum is σ = 1544417280. Its totient is φ = 1240330000.

The previous prime is 1390002883. The next prime is 1390002899. The reversal of 1390002889 is 9882000931.

It is a cyclic number.

It is not a de Polignac number, because 1390002889 - 2³ = 1390002881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1390002881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 590064 + ... + 592414.

It is an arithmetic number, because the mean of its divisors is an integer number (96526080).

Almost surely, 2^1390002889 is an apocalyptic number.

It is an amenable number.

1390002889 is a deficient number, since it is larger than the sum of its proper divisors (154414391).

1390002889 is a wasteful number, since it uses less digits than its factorization.

1390002889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1390002889 is about 37282.7425091020. The cubic root of 1390002889 is about 1116.0198031048.

The spelling of 1390002889 in words is "one billion, three hundred ninety million, two thousand, eight hundred eighty-nine".